Patent Assignment
Reel/Frame 005007/0144
Assignment of Assignors Interest.
Recorded: 1989-01-03
Pages: 2
Assignee
PENNWALT CORPORATION, A CORP. OF PA
3 PARKWAY, PHILADELPHIA, PENNSYLVANIA
Covered Property
(1)
Alpha-Substituted Ketonitrone Derivatives
Patent:
4,871,862 →
Application:
07/254,548 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.