Patent Assignment
Reel/Frame 022063/0086
Assignment of Assignor's Interest
Recorded: 2009-01-06
Pages: 2
Assignor
ZHENG, FRANK
Executed: 2007-08-04
Assignee
LIGHT SCIENCES ONCOLOGY, INC.
15405 SOUTHEAST 37TH STREET, SUITE 100, BELLEVUE, WASHINGTON, 98006
Covered Property
(1)
Method and Apparatus for Light-Activated Drug Therapy
Application:
12/161,323 →
Publication:
US 2009/0216300
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 19, 2008
From: KELTNER, LLEW; WINSHIP, JAY; HAGSTROM, ERIK; CHEN, JAMES C.
To: LIGHT SCIENCES ONCOLOGY, INC.
Reel/Frame 021863/0412 →
Assignment of Assignor's Interest
Feb 18, 2014
From: LIGHT SCIENCES ONCOLOGY, INC.
To: PURDUE PHARMACEUTICAL PRODUCTS L.P.
Reel/Frame 032274/0112 →
Assignment of Assignor's Interest
Apr 1, 2019
From: PURDUE PHARMACEUTICAL PRODUCTS L.P.
To: LIGHT SCIENCES ONCOLOGY INC.
Reel/Frame 048751/0954 →