Patent Assignment
Reel/Frame 052376/0215
Change of Name
Recorded: 2020-04-13
Pages: 4
Assignor
ABB SCHWEIZ AG
Executed: 2020-02-25
Assignee
ABB POWER GRIDS SWITZERLAND AG
BRUGGERSTRASSE 72, 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.
Assignment of Assignor's Interest
Apr 9, 2020
From: RUOKOLAINEN, HANNU
To: ABB SCHWEIZ AG
Reel/Frame 052352/0341 →
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 →