Patent Assignment
Reel/Frame 031934/0416
Assignment of Assignor's Interest
Recorded: 2014-01-10
Pages: 4
Assignor
SPATIAL DIGITAL SYSTEMS. INC.
Executed: 2013-02-21
Assignee
CHANG, DONALD C.D.
2350 MOBERLY COURT, THOUSAND OAKS, CALIFORNIA, 91360
Covered Property
(1)
Novel Karaoke and Multi-Channel Data Recording / Transmission Techniques via Wavefront Multiplexing and Demultiplexing
Application:
13/938,268 →
Publication:
US 2013/0333544
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 29, 2013
From: CHANG, DONALD C; CHEN, STEVE K
To: CHANG, DONALD C.D.
Reel/Frame 031107/0295 →
Assignment of Assignor's Interest
Jan 10, 2014
From: CHANG, DONALD C.D.; CHEN, STEVE K
To: SPATIAL DIGITAL SYSTEMS. INC.
Reel/Frame 031934/0413 →
Assignment of Assignor's Interest
Feb 8, 2014
From: CHANG, DONALD C. D.
To: SPATIAL DIGITAL SYSTEMS. INC.
Reel/Frame 032177/0979 →