Patent Assignment
Reel/Frame 031873/0514
Assignment of Assignor's Interest
Recorded: 2014-01-02
Pages: 4
Assignor
ZHANG, XINING
Executed: 2012-10-10
Assignee
RYSS LAB, INC.
29540 KOHOUTEK WAY, UNION CITY, CALIFORNIA, 94587
Covered Property
(1)
Reactive Dyes for Contact Lenses
Application:
61/509,388 →
PCT:
PCT/US2012/047014 ↗
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 2, 2014
From: COOPERVISION, INC.
To: COOPERVISION INTERNATIONAL HOLDING COMPANY, LP
Reel/Frame 031873/0676 →
Assignment of Assignor's Interest
Jan 2, 2014
From: RYSS LAB, INC.
To: COOPERVISION, INC.
Reel/Frame 031875/0604 →
Assignment of Assignor's Interest
Jan 2, 2014
From: XU, YUAN; CHEN, CHARLIE; FRANCIS, CHARLES A.; MAO, SHANE
To: COOPERVISION, INC.
Reel/Frame 031876/0686 →
Assignment of Assignor's Interest
Nov 10, 2020
From: COOPERVISION INTERNATIONAL HOLDING COMPANY, LP
To: COOPERVISION INTERNATIONAL LIMITED
Reel/Frame 054370/0631 →