Patent Assignment
Reel/Frame 059914/0271
Corrective Assignment to Correct the the Assignee's Name Previously Recorded at Reel: 039157 Frame: 066. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2022-05-10
Pages: 7
Assignors
BALLARD, ROBERT C.
Executed: 2011-02-28
SIGMAN, NATHAN T.
Executed: 2011-02-28
WIMMER, EDGAR A., JR.
Executed: 2011-02-28
Assignee
ABB INC.
12040 REGENCY PARKWAY, SUITE 200, CARY, NORTH CAROLINA, 27518
Covered Property
(1)
Arc-Resistant Dry Type Transformer Enclosure Having Arc Channels
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 14, 2016
From: BALLARD, ROBERT C.; SIGMAN, NATHAN T.; WIMMER, EDGAR A., JR.
To: ABB IN.
Reel/Frame 039157/0665 →
Assignment of Assignor's Interest
Mar 15, 2021
From: ABB INC.
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 055594/0148 →
Change of Name
Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
Merger
Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →