IP Library › Assignment 039331/0623
Patent Assignment
Reel/Frame 039331/0623

Assignment of Assignor's Interest

Recorded: 2016-08-03 Pages: 2
Assignor
SIMMEN, DAVID E.
Executed: 2000-09-20
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property (1)
Query optimization technique for obtaining improved cardinality estimates using statistics on pre-defined queries
Patent: 8,386,450 →
Application: 10/807,871 →
Publication: US 2004/0181521
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 12, 2017
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: RED HAT, INC.
Reel/Frame 040952/0270 →
Assignment of Assignor's Interest Apr 1, 2020
From: RED HAT, INC.
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 052280/0079 →
Assignment of Assignor's Interest Apr 29, 2020
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: SNOWFLAKE INC.
Reel/Frame 052527/0216 →