Patent Assignment
Reel/Frame 011652/0448
Assignment of Assignor's Interest
Recorded: 2001-04-03
Pages: 3
Assignor
WENNING, GUIDO
Executed: 2000-11-27
Assignee
ABB POWER AUTOMATION AG
HASELSTRASSE 16, CH-5401 BADEN, SWITZERLAND
Covered Property
(1)
Operational Monitoring for a Converter
Patent:
6,577,987 →
Application:
09/715,019 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Apr 2, 2003
From: ABB POWER AUTOMATION AG
To: ABB SCHWEIZ AG
Reel/Frame 013912/0357 →
Assignment of Assignor's Interest
Sep 6, 2005
From: ABB RESEARCH LTD.
To: CARNELIAN CORDLESS LLC
Reel/Frame 016489/0518 →
Merger
Oct 16, 2015
From: CARNELIAN CORDLESS LLC
To: XYLON LLC
Reel/Frame 036876/0726 →
Assignment of Assignor's Interest
Jan 27, 2020
From: INTELLECTUAL VENTURES ASSETS 157 LLC
To: LIBERTY PATENTS LLC
Reel/Frame 051632/0225 →