Patent Assignment
Reel/Frame 057746/0963
Assignment of Assignor's Interest
Recorded: 2021-10-07
Pages: 4
Assignor
ABB POWER GRIDS SWITZERLAND AG
Executed: 2021-10-06
Assignee
HITACHI ENERGY SWITZERLAND AG
BRUGGERSTRASSE 72, BADEN, 5400, SWITZERLAND
Covered Property
(1)
Graphene Composite Material For Sliding Contact
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 23, 2019
From: ANDERSSON, ANNA; TAHER, MAMOUN; TAHERSHAMSI, LEILI; GRENNBERG, HELENE
To: ABB SCHWEIZ AG
Reel/Frame 050800/0466 →
Assignment of Assignor's Interest
Jul 11, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 053183/0232 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →