IP Library Assignment 014094/0424
Patent Assignment
Reel/Frame 014094/0424

Assignment of Assignor's Interest

Recorded: 2003-05-27 Pages: 2
Assignor
Assignee
SONY CORPROATION
7-35 KITASHINGAGAWA, 6-CHOME, SHINAGAWA-KU, TOKYO, 141-0001, JAPAN
Covered Property (1)
Enhanced delivery of audio data for portable playback
Application: 10/374,310 →
Publication: US 2003/0176937
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 21, 2010
From: SONY CORPORATION
To: SCA IPLA HOLDINGS INC.
Reel/Frame 023828/0473 →
Assignment of Assignor's Interest Jan 21, 2010
From: SCA IPLA HOLDINGS INC
To: MOBILEMEDIA IDEAS LLC
Reel/Frame 023828/0504 →
Assignment of Assignor's Interest Mar 28, 2017
From: MOBILEMEDIA IDEAS LLC
To: IRONWORKS PATENTS LLC
Reel/Frame 042107/0440 →