IP Library › Assignment 027665/0833
Patent Assignment
Reel/Frame 027665/0833

Assignment of Assignor's Interest

Recorded: 2012-02-07 Pages: 4
Assignors
WARD, THOMAS ALAN
Executed: 2012-01-31
ZWEIFEL, VIRGIL BRYAN
Executed: 2012-01-31
Assignee
ABB INC.
12040 REGENCY PARKWAY, SUITE 200, CARY, NORTH CAROLINA, 27518
Covered Property (1)
Transformer Enclosure Having a Drop-Down Sill Gate
Patent: 8,581,097 →
Application: 13/362,471 →
Publication: US 2013/0194774
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →