Patent Assignment
Reel/Frame 004195/0532
Assignment of Assignors Interest.
Recorded: 1983-12-02
Pages: 1
Assignor
WIERENGA, WENDELL
Executed: 1982-06-21
Assignee
UPJOHN COMPANY, THE A DE CORP.
KALAMAZOO, MICHIGAN
Covered Property
(1)
1,2,8,8A-Cycloporopa [C] Bemzo [1,2,-6:-4,3-6']Dipyrral-4(5H)Ones
Patent:
4,424,365 →
Application:
06/391,055 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.