Patent Assignment
Reel/Frame 027700/0950
Assignment of Assignor's Interest
Recorded: 2012-02-14
Pages: 4
Assignor
FIELD, LESLIE A.
Executed: 2012-01-26
Assignee
ALCON RESEARCH, LTD.
6201 SOUTH FREEWAY, FORT WORTH, TEXAS, 76134
Covered Property
(1)
Pressure-Driven Membrane Valve for Pressure Control System
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Confirmatory Deed of Assignment Effective April 8, 2019
Dec 10, 2019
From: NOVARTIS AG
To: ALCON INC.
Reel/Frame 051454/0788 →
Merger
Jul 21, 2020
From: ALCON RESEARCH, LTD.
To: ALCON RESEARCH, LLC
Reel/Frame 053273/0022 →
Confirmatory Deed of Assignment Effective April 8, 2019
Jul 23, 2020
From: ALCON RESEARCH, LLC
To: ALCON INC.
Reel/Frame 053293/0484 →