IP Library › Assignment 003844/0380
Patent Assignment
Reel/Frame 003844/0380

Assignment of Assignors Interest.

Recorded: 1981-04-09 Pages: 1
Assignor
HANNAH JOHN
Executed: 1979-07-27
Assignee
MERCK & CO., INC.
LINCOLN AVENUE, A CORP. OF NJ., RAHWAY, NEW JERSEY
Covered Property (1)
6-N-Heterocyclyl-3-Tetrazolyl-Penicillins
Patent: 4,283,402 →
Application: 06/062,828 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Apr 30, 1990
From: ATOCHEM INC., A CORP. OF DE.; M&T CHEMICALS INC., A CORP. OF DE., (MERGED INTO); PENNWALT CORPORATION, A CORP. OF PA., (CHANGED TO)
To: ATOCHEM NORTH AMERICA, INC.
Reel/Frame 005305/0866 →