IP Library › Assignment 006693/0757
Patent Assignment
Reel/Frame 006693/0757

Assignment of Assignor's Interest

Recorded: 1993-09-07 Pages: 3
Assignor
GRUDZINSKI, RICHARD
Executed: 1993-08-25
Assignee
Covered Property (1)
Control Cartridge for Controlling a Safety Valve in an Operating Well
Patent: 5,358,035 →
Application: 08/117,536 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 2, 2002
From: GEO RESEARCH
To: GEOSERVICES
Reel/Frame 012745/0280 →
Assignment of Assignor's Interest Sep 4, 2008
From: GEOSERVICES
To: GEOSERVICES EQUIPEMENTS
Reel/Frame 021511/0404 →