IP Library Assignment 027309/0305
Patent Assignment
Reel/Frame 027309/0305

Assignment of Assignor's Interest

Recorded: 2011-12-01 Pages: 3
Assignor
VIITANEN, TERO
Executed: 2011-10-19
Assignee
ABB OY
STROMBERGINTIE 1, HELSINKI, FI-00380, FINLAND
Covered Property (1)
Switching Branch for Three-Level Rectifier and Method for Controlling Switching Branch for Three-Level Rectifier
Patent: 8,644,043 →
Application: 13/275,844 →
Publication: US 2012/0092914
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 19, 2018
From: ABB OY
To: ABB SCHWEIZ AG
Reel/Frame 047801/0174 →