Patent Assignment
Reel/Frame 003825/0321
Assignment of Assignors Interest.
Recorded: 1981-01-28
Pages: 3
Assignee
F. HOFFMAN-LA ROCHE & CO.
AKTIENGESELLSCHAFT, 124-184 GRENZACHERSTRASSE, A SWISS COMPANY, BASEL, SWITZERLAND
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: F. HOFFMANN -LA ROCHE & CO. AKTIENGESELLSCHAFT
To: HOFFMANN-LA ROCHE INC.
Reel/Frame 003825/0121 →
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 →