IP Library › Assignment 003825/0121
Patent Assignment
Reel/Frame 003825/0121

Assignment of Assignors Interest.

Recorded: 1981-01-28 Pages: 2
Assignor
Assignee
HOFFMANN-LA ROCHE INC.
A SWISS COMPANY, NUTLEY, NEW JERSEY
Covered Property (1)
Propionic Acid Esters and Herbicidal Use Thereof
Patent: 4,329,488 →
Application: 06/213,282 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jan 28, 1981
From: FRATER GEORG; WENGER JEAN
To: F. HOFFMAN-LA ROCHE & CO.
Reel/Frame 003825/0321 →
Assignment of Assignors Interest. Dec 24, 1990
From: HOFFMANN-LA ROCHE INC.
To: ROCHE HOLDINGS, INC.
Reel/Frame 005557/0142 →
Assignment of Assignors Interest. Apr 15, 1991
From: ROCHE HOLDINGS, INC., A CORP. OF DE
To: CIBA-GEIGY CORPORATION, A CORP. OF NY
Reel/Frame 005665/0568 →