IP Library Assignment 004195/0532
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.
Change of Name Aug 28, 1998
From: UPJOHN COMPANY, THE
To: PHARMACIA & UPJOHN COMPANY
Reel/Frame 009430/0980 →