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Patent Assignment Details
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Reel/Frame:004098/0273   Pages: 9
Recorded: 02/22/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 176
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Issue Dt:
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04209997
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Title:
2
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Issue Dt:
Application #:
04274643
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Title:
3
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04306161
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4
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Issue Dt:
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04315032
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5
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04391639
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6
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Issue Dt:
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04415645
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7
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Issue Dt:
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04432347
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8
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04432561
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9
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Issue Dt:
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04433838
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10
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04437015
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11
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04438172
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Title:
12
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Issue Dt:
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04444763
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13
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04456365
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14
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Issue Dt:
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04461013
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15
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Issue Dt:
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04468600
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16
Patent #:
Issue Dt:
Application #:
04475977
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17
Patent #:
Issue Dt:
Application #:
04482793
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18
Patent #:
Issue Dt:
Application #:
04485213
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Title:
19
Patent #:
Issue Dt:
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04515893
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20
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Issue Dt:
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04520752
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Title:
21
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Issue Dt:
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04522650
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22
Patent #:
Issue Dt:
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04552147
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Title:
23
Patent #:
Issue Dt:
Application #:
04552150
Filing Dt:
Title:
24
Patent #:
Issue Dt:
11/12/1968
Application #:
04552746
Filing Dt:
05/25/1966
Title:
NON-ROTATING SINGLE-COLLAR DRILL PIPE PROTECTOR
25
Patent #:
Issue Dt:
Application #:
04561002
Filing Dt:
Title:
26
Patent #:
Issue Dt:
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04561637
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27
Patent #:
Issue Dt:
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04561638
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28
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04570559
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29
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Issue Dt:
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04582528
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30
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04582638
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Title:
31
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Issue Dt:
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04586218
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Title:
32
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Issue Dt:
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04611745
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33
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04618910
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Title:
34
Patent #:
Issue Dt:
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04620865
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35
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Issue Dt:
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04625084
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36
Patent #:
Issue Dt:
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04625100
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37
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Issue Dt:
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04625824
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38
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04636462
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Title:
39
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Issue Dt:
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04640221
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40
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Issue Dt:
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04665259
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41
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04675237
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42
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04675843
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43
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Issue Dt:
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04675844
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44
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Issue Dt:
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04675845
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45
Patent #:
Issue Dt:
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04676679
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46
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Issue Dt:
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04687810
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47
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04687811
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48
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04687812
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49
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04687815
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50
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04687817
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Title:
51
Patent #:
Issue Dt:
Application #:
04687818
Filing Dt:
Title:
52
Patent #:
Issue Dt:
04/21/1970
Application #:
04687819
Filing Dt:
12/04/1967
Title:
BLOCK AND HOOK STRUCTURE POSITIONING AND GUIDING APPARATUS
53
Patent #:
Issue Dt:
Application #:
04687820
Filing Dt:
Title:
54
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04687830
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55
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04693374
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56
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04693627
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57
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04703983
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58
Patent #:
Issue Dt:
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04721649
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59
Patent #:
Issue Dt:
Application #:
04721650
Filing Dt:
Title:
60
Patent #:
Issue Dt:
07/15/1969
Application #:
04726870
Filing Dt:
05/06/1968
Title:
ORIENTING TOOL SLANT HOLE DRILLING
61
Patent #:
Issue Dt:
Application #:
04731542
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Title:
62
Patent #:
Issue Dt:
Application #:
04735887
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Title:
63
Patent #:
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04737523
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64
Patent #:
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04737960
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65
Patent #:
Issue Dt:
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04739550
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66
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Issue Dt:
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04742258
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67
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04743804
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68
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04748700
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69
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04757976
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70
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Issue Dt:
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04765219
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71
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04779046
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72
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04779171
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73
Patent #:
Issue Dt:
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04790643
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Title:
74
Patent #:
Issue Dt:
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04815763
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75
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Issue Dt:
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04818260
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76
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Issue Dt:
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04825196
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77
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04842700
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78
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04851663
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04860287
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04860288
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04862109
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04862561
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83
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04868541
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84
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04868549
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85
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04871016
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04887797
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05019582
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88
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05019601
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89
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05022293
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90
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05023613
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91
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05029973
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92
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05035370
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93
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05040986
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94
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05085594
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95
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05108534
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96
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05112540
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Title:
97
Patent #:
Issue Dt:
Application #:
05127892
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Title:
98
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Application #:
05127982
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99
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Application #:
05134553
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100
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05134554
Filing Dt:
Title:
Assignor
1
Exec Dt:
12/31/1982
Assignee
1
P.O. BOX 2539,
HOUSTON,, TEXAS 77001
Correspondence name and address
HUGHES TOOL COMPANY
5425 POLK AVE.,
HOUSTON, TX. 77001

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