Patent Assignment
Reel/Frame 052352/0341
Assignment of Assignor's Interest
Recorded: 2020-04-09
Pages: 3
Assignor
RUOKOLAINEN, HANNU
Executed: 2019-09-12
Assignee
ABB SCHWEIZ AG
BROWN BOVERI STRASSE 6, BADEN, CH-5400, SWITZERLAND
Covered Property
(1)
Externally Gapped Line Arrester
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Apr 13, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052376/0215 →
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058601/0692 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →