IP Library Assignment 005334/0641
Patent Assignment
Reel/Frame 005334/0641

Assignment of Assignors Interest.

Recorded: 1990-06-15 Pages: 2
Assignor
PINCHUK, LEONARD
Executed: 1990-06-11
Assignee
Covered Property (1)
Crack-Resistant Polycarbonate Urethane Polymer Prostheses and the Like
Application: 07/538,986 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 26, 2013
From: CORVITA CORPORATION
To: ACACIA RESEARCH GROUP LLC
Reel/Frame 030689/0555 →
Assignment of Assignor's Interest Jul 3, 2013
From: ACACIA RESEARCH GROUP LLC
To: LIFESHIELD SCIENCES LLC
Reel/Frame 030740/0225 →