Patent Assignment
Reel/Frame 024844/0921
Assignment of Assignor's Interest
Recorded: 2010-08-17
Pages: 7
Assignors
ZHOU, JIANSHENG
Executed: 2010-08-06
LEUKANECH, KURT D
Executed: 2010-08-06
TEODORESCU, DAN
Executed: 2010-08-09
Assignee
ALCON RESEARCH, LTD.
6201 SOUTH FREEWAY, FORT WORTH, TEXAS, 76134
Covered Property
(1)
Pneumatic Pressure Output Control by Drive Valve Duty Cycle Calibration
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 →