Patent Assignment
Reel/Frame 003842/0567
Assignment of Assignors Interest.
Recorded: 1981-04-03
Pages: 1
Assignee
E. I. D PONT DE NEMOURS AND COMPANY
A CORP. OF DEL., WLMINGTON, DELAWARE
Covered Property
(1)
Analgesic Mixutre of Nalbuphine and Acetylsalicyclic Acid, Derivative or Salt Thereof
Patent:
4,282,215 →
Application:
06/170,931 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.