IP Library › Assignment 012432/0136
Patent Assignment
Reel/Frame 012432/0136

Assignment of Assignor's Interest

Recorded: 2002-01-03 Pages: 4
Assignors
SCHAAF, HANSGEORG
Executed: 2001-08-06
STEGMANN, ROBERT
Executed: 2001-08-06
MAAG, WERNER
Executed: 2001-08-06
Assignee
GRIESHABER & CO. AG SCHAFFHAUSEN
WINKELRIEDSTRASSE 52, 8203 SCHAFFHAUSEN, SWITZERLAND
Covered Property (1)
Device for Improving Drainage of the Aqueous Humor Within the Eye of a Living Being
Patent: 6,764,439 →
Application: 09/902,850 →
Publication: US 2001/0053873
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Confirmatory Deed of Assignment Effective April 8, 2019 Dec 14, 2019
From: ALCON GRIESHABER AG
To: ALCON INC.
Reel/Frame 051293/0105 →