IP Library › Assignment 019367/0525
Patent Assignment
Reel/Frame 019367/0525

Assignment of Assignor's Interest

Recorded: 2007-05-15 Pages: 3
Assignors
HEIERMEIER, HELMUT
Executed: 2007-05-11
KAMMERL, KURT
Executed: 2007-05-10
KEHR, TIMO
Executed: 2007-05-11
GROB, STEPHAN
Executed: 2007-05-11
Assignee
ABB TECHNOLOGY AG
AFFOLTERNSTRASSE 44, ZURICH, CH-8050, SWITZERLAND
Covered Property (1)
Puffer Circuit Breaker with an Overpressure Valve
Patent: 7,820,933 →
Application: 11/798,611 →
Publication: US 2007/0272658
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →