IP Library Assignment 010117/0920
Patent Assignment
Reel/Frame 010117/0920

Assignment of Assignor's Interest

Recorded: 1999-07-19 Pages: 3
Assignors
WOLF, JOEL L.
Executed: 1999-07-16
YU, PHILIP SHI-LUNG
Executed: 1999-07-16
Assignee
INTERNATIONAL BUSINESS MACHINES CORP.
ARMONK, NEW YORK, 10504
Covered Property (1)
Method and Apparatus for Caching a Media Stream
Patent: 6,463,508 →
Application: 09/357,059 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 19, 2007
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: LEVEL 3 COMMUNICATIONS, LLC
Reel/Frame 020403/0487 →
Assignment of Assignor's Interest Jul 9, 2024
From: LEVEL 3 COMMUNICATIONS, LLC
To: SANDPIPER CDN, LLC
Reel/Frame 068256/0091 →