Patent Assignment
Reel/Frame 029437/0758
Assignment of Assignor's Interest
Recorded: 2012-12-10
Pages: 5
Assignor
RICKARD, MATTHEW J.A.
Executed: 2012-10-22
Assignee
ALCON RESEARCH, LTD.
6201 SOUTH FREEWAY, TB4-8, FORT WORTH, TEXAS, 76134
Covered Property
(1)
Active Drainage Systems with Dual-Input Pressure-Driven Values
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 10, 2012
From: FIELD, LESLIE A.
To: ALCON RESEARCH, LTD.
Reel/Frame 029437/0689 →
Merger
Dec 11, 2019
From: ALCON RESEARCH, LTD.
To: ALCON RESEARCH, LLC
Reel/Frame 051257/0562 →
Confirmatory Deed of Assignment Effective April 8, 2019
Dec 14, 2019
From: ALCON RESEARCH, LLC
To: ALCON INC.
Reel/Frame 051293/0444 →