IP Library › Assignment 011849/0980
Patent Assignment
Reel/Frame 011849/0980

Assignment of Assignor's Interest

Recorded: 2001-05-29 Pages: 3
Assignor
LUDTKE, HAROLD A.
Executed: 2001-04-20
Assignees
SONY CORPORATION
7-35 KITASHINAGAWA 6-CHOME SHINAGAWA-KU, TOKYO, JAPAN
SONY ELECTRONICS, INC.
1 SONY DRIVE, PARK RIDGE, NEW JERSEY, 07656
Covered Property (1)
Data Entry User Interface
Patent: 6,867,764 →
Application: 09/816,273 →
Publication: US 2001/0043198
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 20, 2010
From: SONY ELECTRONICS INC.
To: SONY CORPORATION
Reel/Frame 023814/0736 →
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 →