IP Library › Assignment 023510/0221
Patent Assignment
Reel/Frame 023510/0221

Release of Security Interest

Recorded: 2009-11-12 Pages: 7
Assignor
Assignee
UNDERWRITERS LABORATORIES, INC.
333 PFINGSTEN ROAD, NORTHBROOK, ILLINOIS, 60062
Covered Properties (2)
Method and Apparatus for Testing Surface Breakdown of Dielectric Materials Caused by Electrical Tracking
Patent: 5,638,003 →
Application: 08/447,644 →
Sharpener Apparatus
Patent: 5,944,592 →
Application: 08/846,956 →
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Patent and License Security Agreement Jan 20, 2004
From: UNDERWRITERS LABORATORIES, INC.
To: CIT GROUP/BUSINESS CREDIT, INC., THE
Reel/Frame 014901/0332 →
Assignment of Assignor's Interest Sep 27, 2012
From: UNDERWRITERS LABORATORIES INC.
To: UL LLC
Reel/Frame 029035/0745 →