Patent Assignment
Reel/Frame 008510/0391
Assignment of Assignor's Interest
Recorded: 1997-05-19
Pages: 4
Assignor
YANG, LIFENG
Executed: 1997-02-27
Assignee
ABB POWER T&D COMPANY INC.
CENTENNIAL CAMPUS NCSU, 1021 MAIN CAMPUS DRIVE, RALEIGH, NORTH CAROLINA, 27606
Covered Property
(1)
Protective Relay with Improved Dft Function
Patent:
5,909,656 →
Application:
08/811,646 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 6, 2005
From: ABB RESEARCH LTD.
To: CARNELIAN CORDLESS LLC
Reel/Frame 016489/0518 →
Change of Name
Oct 17, 2005
From: ABB POWER T&D COMPANY INC.
To: ASEA BROWN BOVERI INC.
Reel/Frame 016641/0594 →
Change of Name
Oct 17, 2005
From: ASEA BROWN BOVERI INC.
To: ABB INC.
Reel/Frame 016641/0598 →
Assignment of Assignor's Interest
Jan 5, 2020
From: INTELLECTUAL VENTURES ASSETS 161 LLC
To: HANGER SOLUTIONS, LLC
Reel/Frame 052159/0509 →