Patent Assignment
Reel/Frame 030204/0008
Corrective Assignment to Correct the Address of the Assignee from "Switzerland" to --Finland--. Previously Recorded on Reel 029917 Frame 0389. Assignor(S) Hereby Confirms the Assignment..
Recorded: 2013-04-11
Pages: 5
Assignors
AHOLA, JERO
Executed: 2013-01-28
TAMMINEN, JUSSI
Executed: 2013-01-28
AHONEN, TERO
Executed: 2013-01-28
Assignee
ABB OY
STROMBERGINTIE 1, HELSINKI, FI-00380, FINLAND
Covered Property
(1)
Method and Apparatus for Monitoring Air Filter Condition
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 4, 2013
From: AHOLA, JERO; TAMMINEN, JUSSI; AHONEN, TERO
To: ABB OY
Reel/Frame 029917/0389 →
Assignment of Assignor's Interest
Aug 28, 2015
From: ABB OY
To: ABB TECHNOLOGY OY
Reel/Frame 036448/0989 →
Assignment of Assignor's Interest
Jan 18, 2019
From: ABB TECHNOLOGY OY
To: ABB SCHWEIZ AG
Reel/Frame 049087/0152 →