Patent Assignment
Reel/Frame 009622/0909
Assignment of Assignor's Interest
Recorded: 1998-11-16
Pages: 17
Assignors
QUACKENBUSH, SCHUYLER REYNIER
Executed: 1998-11-03
REIBMAN, AMY
Executed: 1998-11-03
SHUR, DAVID HILTON
Executed: 1998-11-06
SNYDER, JAMES
Executed: 1998-11-10
Assignee
AT&T CORP.
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013
Covered Property
(1)
Electronic Watermarking in the Compressed Domain Utilizing Perceptual Coding
Patent:
6,493,457 →
Application:
09/192,359 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 7, 2012
From: AT&T CORP.
To: AT&T PROPERTIES, LLC
Reel/Frame 027816/0440 →
Assignment of Assignor's Interest
Mar 8, 2012
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 027824/0325 →
Assignment of Assignor's Interest
May 14, 2012
From: AT&T INTELLECTUAL PROPERTY II, L.P.
To: CHANYU HOLDINGS, LLC
Reel/Frame 028199/0415 →
Assignment of Assignor's Interest
Jan 4, 2020
From: INTELLECTUAL VENTURES ASSETS 158 LLC
To: HANGER SOLUTIONS, LLC
Reel/Frame 051486/0425 →
Assignment of Assignor's Interest
Jan 29, 2020
From: CHANYU HOLDINGS, LLC
To: INTELLECTUAL VENTURES ASSETS 158 LLC
Reel/Frame 051753/0979 →
Assignment of Assignor's Interest
Jan 29, 2020
From: CHANYU HOLDINGS, LLC
To: INTELLECTUAL VENTURES ASSETS 158 LLC
Reel/Frame 051759/0752 →