IP Library Assignment 023143/0014
Patent Assignment
Reel/Frame 023143/0014

Assignment of Assignor's Interest

Recorded: 2009-08-25 Pages: 2
Assignor
PAAJARVI, BO
Executed: 2008-06-05
Assignee
ABB TECHNOLOGY LTD.
AFFOLTERNSTRASSE 52, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Hvdc System Including Switching Arrangements to Switch Current Flow Direction
Patent: 8,441,817 →
Application: 12/158,738 →
Publication: US 2010/0046255
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 →