IP Library Assignment 005475/0218
Patent Assignment
Reel/Frame 005475/0218

Assignment of Assignors Interest.

Recorded: 1990-10-19 Pages: 4
Assignor
JANSSEN, HERWIG J.
Executed: 1990-09-18
Assignee
Covered Property (1)
Preservative for Ophthalmic Solutions
Patent: 5,200,453 →
Application: 07/583,523 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 23, 1994
From: IOLAB CORPORATION
To: CIBA VISION CORPORATION
Reel/Frame 007147/0484 →