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Reel/Frame:006721/0496   Pages: 2
Recorded: 10/13/1993
Conveyance: A RE-RECORD OF AN ASSIGNMENT PREVIOUSLY RECORDED ON MARCH 18, 1993 AT REEL 6460, FRAME 0762 TO CORRECT THE PATENT NUMBERS.
Total properties: 44
1
Patent #:
4001708
Issue Dt:
Application #:
05610127
Filing Dt:
Title:
2
Patent #:
4006316
Issue Dt:
Application #:
05626021
Filing Dt:
Title:
3
Patent #:
4081130
Issue Dt:
Application #:
05715065
Filing Dt:
Title:
4
Patent #:
4130731
Issue Dt:
12/19/1978
Application #:
05755615
Filing Dt:
12/29/1976
Title:
PORTABLE TELEPHONE SYSTEM
5
Patent #:
4211938
Issue Dt:
07/08/1980
Application #:
05951734
Filing Dt:
10/16/1978
Title:
TONE DETECTOR
6
Patent #:
4263556
Issue Dt:
04/21/1981
Application #:
05951736
Filing Dt:
10/16/1978
Title:
MONOSTABLE SYSTEM
7
Patent #:
4272650
Issue Dt:
06/09/1981
Application #:
05951737
Filing Dt:
10/16/1978
Title:
POWER SUPPLY SYSTEM
8
Patent #:
4439638
Issue Dt:
03/27/1984
Application #:
06343445
Filing Dt:
01/28/1982
Title:
SOUND-ACTIVATED CODE-CONTROLLED DETECTION SYSTEM FOR TELEPHONES AND THE LIKE
9
Patent #:
4446339
Issue Dt:
05/01/1984
Application #:
06371808
Filing Dt:
04/26/1982
Title:
ROTARY DIAL DECODER
10
Patent #:
D279003
Issue Dt:
05/28/1985
Application #:
06396874
Filing Dt:
07/09/1982
Title:
CODE ATTACHMENT HOUSING FOR A TELEPHONE STAND
11
Patent #:
D285200
Issue Dt:
08/19/1986
Application #:
06535228
Filing Dt:
09/23/1983
Title:
HANDSET TELEPHONE UNIT
12
Patent #:
D285197
Issue Dt:
08/19/1986
Application #:
06535242
Filing Dt:
09/23/1983
Title:
HANDSET TELEPHONE UNIT
13
Patent #:
4644561
Issue Dt:
02/17/1987
Application #:
06713923
Filing Dt:
03/20/1985
Title:
MODEM FOR RF SUBSCRIBER TELEPHONE SYSTEM
14
Patent #:
4675863
Issue Dt:
06/23/1987
Application #:
06713925
Filing Dt:
03/20/1985
Title:
SUBSCRIBER RF TELEPHONE SYSTEM FOR PROVIDING MULTIPLE SPEECH AND/OR DATA SIGNALS SIMULTANEOUSLY OVER EITHER A SINGLE OR A PLURALITY OF RF CHANNELS
15
Patent #:
4785260
Issue Dt:
11/15/1988
Application #:
06840908
Filing Dt:
03/18/1986
Title:
FREQUENCY SYNTHESIZER FOR BROADCAST TELEPHONE SYSTEM HAVING MULTIPLE ASSIGNABLE FREQUENCY CHANNELS
16
Patent #:
4825448
Issue Dt:
04/25/1989
Application #:
06893916
Filing Dt:
08/07/1986
Title:
SUBSCRIBER UNIT FOR WIRELESS DIGITAL TELEPHONE SYSTEM
17
Patent #:
4764940
Issue Dt:
08/16/1988
Application #:
06920230
Filing Dt:
11/24/1986
Title:
MODEM FOR RF SUBSCRIBER TELEPHONE SYSTEM
18
Patent #:
4779262
Issue Dt:
10/18/1988
Application #:
06921656
Filing Dt:
10/21/1986
Title:
CONNECTION OF SUBSCRIBER COMMUNICATION NETWORK BASE STATION TO EXTERNAL INFORMATION NETWORK
19
Patent #:
4817089
Issue Dt:
03/28/1989
Application #:
07031045
Filing Dt:
03/27/1987
Title:
SUBSCRIBER RF TELEPHONE SYSTEM FOR PROVIDING MULTIPLE SPEECH AND/OR DATA SIGNALS SIMULTANEOUSLY OVER EITHER A SINGLE OR A PLURALITY OF RF CHANNELS
20
Patent #:
4811420
Issue Dt:
03/07/1989
Application #:
07070970
Filing Dt:
07/08/1987
Title:
INITIALIZATION OF COMMUNICATION CHANNEL BETWEEN A SUBSCRIBER STATION AND A BASE STATION IN A SUBSCRIBER COMMUNICATION SYSTEM
21
Patent #:
4777633
Issue Dt:
10/11/1988
Application #:
07071279
Filing Dt:
08/14/1987
Title:
BASE STATION FOR WIRELESS DIGITAL TELEPHONE SYSTEM
22
Patent #:
4785450
Issue Dt:
11/15/1988
Application #:
07082238
Filing Dt:
08/06/1987
Title:
APPARATUS AND METHOD FOR OBTAINING FREQUENCY AGILITY IN DIGITAL COMMUNICATION SYSTEMS
23
Patent #:
4935927
Issue Dt:
06/19/1990
Application #:
07123395
Filing Dt:
11/20/1987
Title:
BASE STATION EMULATOR
24
Patent #:
4862107
Issue Dt:
08/29/1989
Application #:
07211758
Filing Dt:
06/27/1988
Title:
FREQUENCY SYNTHESIZER FOR BROADCAST TELEPHONE SYSTEM HAVING MULTIPLE ASSIGNABLE FREQUENCY CHANNELS
25
Patent #:
4940956
Issue Dt:
07/10/1990
Application #:
07247381
Filing Dt:
09/21/1988
Title:
BAND-PASS FILTER AND SUPPORT STRUCTURE THEREFOR
26
Patent #:
4893317
Issue Dt:
01/09/1990
Application #:
07256415
Filing Dt:
10/12/1988
Title:
DIGITAL SIGNALS AND FREQUENCY CORRECTION IN A DIGITAL WIRELESS SYSTEM
27
Patent #:
4996697
Issue Dt:
02/26/1991
Application #:
07256416
Filing Dt:
10/12/1988
Title:
A DEGLITCHING MEANS FOR DIGITAL COMMUNICATION SYSTEM
28
Patent #:
5101418
Issue Dt:
03/31/1992
Application #:
07256420
Filing Dt:
10/12/1988
Title:
DIGITAL TIME- MULTIPLEXED QUADRATURE FREQUENCY UPCONVERTER
29
Patent #:
4881240
Issue Dt:
11/14/1989
Application #:
07256557
Filing Dt:
10/12/1988
Title:
AN EQUALIZER CIRCUIT FOR DIGITAL SYSTEMS
30
Patent #:
5177741
Issue Dt:
01/05/1993
Application #:
07256577
Filing Dt:
10/12/1988
Title:
SUBSCRIBER UNIT FOR WIRELESS DIGITAL TELEPHONE SYSTEM
31
Patent #:
4994802
Issue Dt:
02/19/1991
Application #:
07256579
Filing Dt:
10/12/1988
Title:
SUBSCRIBER UNIT FOR WIRELESS DIGITAL TELEPHONE SYSTEM
32
Patent #:
4943983
Issue Dt:
07/24/1990
Application #:
07256580
Filing Dt:
10/12/1988
Title:
SUBSCRIBER UNIT FOR WIRELESS DIGITAL TELEPHONE SYSTEM
33
Patent #:
4953197
Issue Dt:
08/28/1990
Application #:
07281186
Filing Dt:
12/08/1988
Title:
COMBINATION SPATIAL DIVERSITY SYSTEM
34
Patent #:
4912705
Issue Dt:
03/27/1990
Application #:
07324651
Filing Dt:
03/16/1989
Title:
SUBSCRIBER RF TELEPHONE SYSTEM FOR PROVIDING MULTIPLE SPEECH AND/OR DATA SIGNALS SIMULTANEOUSLY OVER EITHER A SINGLE OR A PLURALITY OF RF CHANNELS
35
Patent #:
5022024
Issue Dt:
06/04/1991
Application #:
07349301
Filing Dt:
05/08/1989
Title:
SUBSCRIBER RF TELEPHONE SYSTEM FOR PROVIDING MULTIPLE SPEECH AND/OR DATA SIGNALS SIMULTANEOUSLY OVER EITHER A SINGLE OR A PLURALITY OF RF CHANNELS
36
Patent #:
4974099
Issue Dt:
11/27/1990
Application #:
07369292
Filing Dt:
06/21/1989
Title:
COMMUNICATION SIGNAL COMPRESSION SYSTEM AND METHOD
37
Patent #:
5008900
Issue Dt:
04/16/1991
Application #:
07394497
Filing Dt:
08/14/1989
Title:
SUBSCRIBER UNIT FOR WIRELESS DIGITAL SUBSCRIBER COMMUNICATION SYSTEM
38
Patent #:
5067141
Issue Dt:
11/19/1991
Application #:
07419501
Filing Dt:
10/10/1989
Title:
INTERPOLATOR FOR VARYING A SIGNAL SAMPLING RATE
39
Patent #:
5168507
Issue Dt:
12/01/1992
Application #:
07433995
Filing Dt:
11/09/1989
Title:
AUTOMATIC ADAPTIVE EQUALIZER
40
Patent #:
5121391
Issue Dt:
06/09/1992
Application #:
07439100
Filing Dt:
11/20/1989
Title:
SUBSCRIBER RF TELEPHONE SYSTEM FOR PROVIDING MULTIPLE SPEECH AND/OR DATA SIGNALS SIMULTANEOUSLY OVER EITHER A SINGLE OR A PLURALITY OF RF CHANNELS
41
Patent #:
5072308
Issue Dt:
12/10/1991
Application #:
07617789
Filing Dt:
11/26/1990
Title:
COMMUNICATION SIGNAL COMPRESSION SYSTEM AND METHOD
42
Patent #:
5119375
Issue Dt:
06/02/1992
Application #:
07634770
Filing Dt:
12/27/1990
Title:
SUBSCRIBER RF TELEPHONE SYSTEM FOR PROVIDING MULTIPLE SPEECH AND/OR DATA SIGNALS SIMULTANEOUSLY OVER EITHER A SINGLE OR A PLURALITY OF RF CHANNELS
43
Patent #:
5146473
Issue Dt:
09/08/1992
Application #:
07658065
Filing Dt:
02/20/1991
Title:
SUBSCRIBER UNIT FOR WIRELESS DIGITAL SUBSCRIBER COMMUNICATION SYSTEM
44
Patent #:
5159705
Issue Dt:
10/27/1992
Application #:
07853334
Filing Dt:
03/13/1992
Title:
FREQUENCY SYNTHESIZER CIRCUIT
Assignor
1
INTERNATIONAL MOBILE MACHINES CORPORATION
Exec Dt:
02/18/1993
Assignee
1
INTERDIGITAL TECHNOLOGY CORPORATION
900 MARKET STREET, 2ND FLOOR
WILMINGTON, DELAWARE 19801
Correspondence name and address
ROBERT S. BRAMSIN, ESQUIRE
KENNETH J. SHEEHAN
2200 RENAISSANCE BOULEVARD
SUITE 105
KING OF PRUSSIA, PA 19406

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