IP Library › Assignment 028173/0109
Patent Assignment
Reel/Frame 028173/0109

Assignment of Assignor's Interest

Recorded: 2012-05-08 Pages: 4
Assignors
CHANG, DONALD C. D.
Executed: 2012-05-08
CHEN, STEVE
Executed: 2012-05-08
LIN, MICHAEL
Executed: 2012-05-08
Assignee
SPATIAL DIGITAL SYSTEMS, INC.
9428 ETON AVE., SUITE G, CHATSWORTH, CALIFORNIA, 91311
Covered Property (1)
Apparatus and Method of Generating Quiet Zone by Cancellation-Through-Injection Techniques
Patent: 9,502,022 →
Application: 12/874,437 →
Publication: US 2012/0058729
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 7, 2013
From: SPATIAL DIGITAL SYSTEMS, INC.
To: CHANG, DONALD C.D.
Reel/Frame 030360/0220 →
Assignment of Assignor's Interest Feb 8, 2014
From: CHANG, DONALD C. D.
To: SPATIAL DIGITAL SYSTEMS. INC.
Reel/Frame 032177/0979 →