IP Library Assignment 009003/0031
Patent Assignment
Reel/Frame 009003/0031

Assignment of Assignor's Interest

Recorded: 1997-12-15 Pages: 3
Assignors
DEL CASTILLO, LEONARDO
Executed: 1997-11-04
WINSOR, MARGARET E.
Executed: 1997-11-04
Assignee
MICROSOFT CORPORATION
BUILDING 8, ONE MICROSOFT WAY, REDMOND, WASHINGTON, 98052
Covered Property (1)
A System and Method for Detecting a Relative Change in Light Intensity
Patent: 5,912,454 →
Application: 08/886,054 →
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 16, 2008
From: MICROSOFT CORPORATION
To: BURESIFT DATA LTD. LLC
Reel/Frame 020371/0043 →
Merger Dec 11, 2015
From: BURESIFT DATA LTD. LLC
To: CHARTOLEAUX KG LIMITED LIABILITY COMPANY
Reel/Frame 037273/0330 →
Assignment of Assignor's Interest Feb 12, 2023
From: CHARTOLEAUX KG LIMITED LIABILITY COMPANY
To: INTELLECTUAL VENTURES ASSETS 191 LLC
Reel/Frame 062666/0342 →
Security Interest Mar 24, 2023
From: MIND FUSION, LLC
To: INTELLECTUAL VENTURES ASSETS 191 LLC; INTELLECTUAL VENTURES ASSETS 186 LLC
Reel/Frame 063295/0001 →
Assignment of Assignor's Interest Jul 13, 2023
From: INTELLECTUAL VENTURES ASSETS 191 LLC
To: MIND FUSION, LLC
Reel/Frame 064270/0685 →
Assignment of Assignor's Interest Jul 21, 2023
From: MIND FUSION, LLC
To: MUSICQUBED INNOVATIONS, LLC
Reel/Frame 064357/0661 →