IP Library Assignment 015802/0056
Patent Assignment
Reel/Frame 015802/0056

Assignment of Assignor's Interest

Recorded: 2005-02-28 Pages: 3
Assignors
LEVENSTEIN, SHELDON B.
Executed: 2005-02-08
SAPORITO, ANTHONY
Executed: 2005-02-07
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property (1)
System and Method for Tracking Changes in L1 Data Cache Directory
Patent: 7,401,186 →
Application: 11/054,273 →
Publication: US 2006/0179221
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 4, 2012
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: FACEBOOK, INC.
Reel/Frame 027991/0435 →
Change of Name Dec 20, 2021
From: FACEBOOK, INC.
To: META PLATFORMS, INC.
Reel/Frame 058553/0802 →