IP Library Assignment 022711/0130
Patent Assignment
Reel/Frame 022711/0130

Assignment of Assignor's Interest

Recorded: 2009-05-20 Pages: 2
Assignors
MING, LI
Executed: 2009-01-08
WU, DONG
Executed: 2009-01-08
Assignee
ABB RESEARCH LTD.
AFFOLTERNSTRASSE 52, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
High Voltage Valve Group with Increased Breakdown Strength
Application: 12/305,999 →
Publication: US 2009/0266605
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →