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Trademark Assignment Abstract of Title

Total Assignments: 4
Serial #:
Filing Dt:
10/14/1957
Reg #:
Reg. Dt:
07/29/1958
Mark:
DYNA-DRILL
Assignment: 1
Reel/Frame:
0302/0401   Recorded: 02/11/1977Pages: 1
Conveyance:
CHANGE OF NAME 19590917
Assignor:
Exec Dt:
01/28/1977
Entity Type:
CORPORATION
Citizenship:
CALIFORNIA
Assignee:
Entity Type:
UNKNOWN
Citizenship:
NONE
Correspondent:
WENDEROTH, LIND & PONACK
SUITE 1100
1750 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:
0302/0402   Recorded: 02/11/1977Pages: 1
Conveyance:
CHANGE OF NAME 19601117
Assignor:
Exec Dt:
01/28/1977
Entity Type:
CORPORATION
Citizenship:
CALIFORNIA
Assignee:
Entity Type:
UNKNOWN
Citizenship:
NONE
Correspondent:
WENDEROTH, LIND & PONACK
SUITE 1100
1750 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:
0302/0403   Recorded: 02/11/1977Pages: 1
Conveyance:
CHANGE OF NAME 19690513
Assignor:
Exec Dt:
01/28/1977
Entity Type:
CORPORATION
Citizenship:
CALIFORNIA
Assignee:
Entity Type:
UNKNOWN
Citizenship:
NONE
Correspondent:
WENDEROTH, LIND & PONACK
SUITE 1100
1750 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20006
Assignment: 4
Reel/Frame:
0594/0144   Recorded: 02/29/1988Pages: 3
Conveyance:
MERGER 19830519DE
Assignor:
Exec Dt:
12/20/1983
Entity Type:
CORPORATION
Citizenship:
CALIFORNIA
Assignee:
Entity Type:
CORPORATION
Citizenship:
DELAWARE
Correspondent:
CHRISTIE, PARKER & HALE
SUITE 500, 350 WEST COLORADO BOULEVARD
POST OFFICE BOX 7068
PASADENA, CA 91109-7068

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