IP Library Assignment 022890/0089
Patent Assignment
Reel/Frame 022890/0089

Assignment of Assignor's Interest

Recorded: 2009-06-30 Pages: 2
Assignors
PETERSSON, ANDERS, MR.
Executed: 2009-02-25
JIANG, LIN, MR.
Executed: 2009-02-25
Assignee
ABB TECHNOLOGY LTD.
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Dc Filter and Voltage Source Converter Station Comprising Such Filter
Patent: 8,228,693 →
Application: 12/438,756 →
Publication: US 2009/0303759
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040620/0939 →
Assignment of Assignor's Interest Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →