Patent Assignment
Reel/Frame 020871/0174
Assignment of Assignor's Interest
Recorded: 2008-04-29
Pages: 3
Assignor
SCHLUETER, DOUGLAS C.
Executed: 2008-04-14
Assignee
ALCON RESEARCH, LTD.
6201 SOUTH FREEWAY, IP LEGAL, TB4-8, FORT WORTH, TEXAS, 76134-2099
Covered Property
(1)
Uv-Absorbers for Ophthalmic Lens Materials
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 21, 2008
From: ALCON RESEARCH, LTD.
To: ALCON, INC.
Reel/Frame 021423/0785 →
Merger
May 31, 2011
From: ALCON, INC.
To: NOVARTIS AG
Reel/Frame 026376/0076 →
Confirmatory Deed of Assignment Effective April 8, 2019
Dec 10, 2019
From: NOVARTIS AG
To: ALCON INC.
Reel/Frame 051454/0788 →