Patent Assignment
Reel/Frame 005091/0621
Assignment of Assignors Interest.
Recorded: 1989-04-21
Pages: 3
Assignors
WENGER, JEAN
Executed: 1989-02-15
WINTERNITZ, PAUL
Executed: 1989-02-14
ZELLER, MARTIN
Executed: 1989-02-14
Assignee
F. HOFFMANN-LA ROCHE & CO. AKTIENGESELLSCHAFT
124-184 GRENZACHERSTRASSE, BASEL, SWITZERLAND
Covered Property
(1)
Heterocyclic Compounds
Patent:
4,941,909 →
Application:
07/334,952 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 21, 1989
From: F. HOFFMANN-LA ROCHE & CO. AKTIENGESELLSCHAFT
To: HOFFMANN-LA ROCHE INC.
Reel/Frame 005091/0624 →
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 →