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.