IP Library Assignment 027551/0495
Patent Assignment
Reel/Frame 027551/0495

Assignment of Assignor's Interest

Recorded: 2012-01-18 Pages: 3
Assignor
VIITANEN, TERO
Executed: 2011-11-16
Assignee
ABB OY
STROMBERGINTIE 1, HELSINKI, FI-00380, FINLAND
Covered Property (1)
Switching Branch for Three-Level Converter and Method for Controlling Switching Branch of Three-Level Converter
Patent: 9,088,225 →
Application: 13/288,088 →
Publication: US 2012/0120698
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 5, 2015
From: ABB OY
To: ABB TECHNOLOGY OY
Reel/Frame 035796/0219 →
Assignment of Assignor's Interest Jan 18, 2019
From: ABB TECHNOLOGY OY
To: ABB SCHWEIZ AG
Reel/Frame 049087/0152 →