IP Library Assignment 021015/0991
Patent Assignment
Reel/Frame 021015/0991

Assignment of Assignor's Interest

Recorded: 2008-05-29 Pages: 4
Assignors
JOHANSSON, BORJE
Executed: 2008-04-03
GRIMESTAD, SIGURD
Executed: 2008-04-03
Assignee
ABB AB
FORSKARGRAND 8, SE-72178 VASTERAS, SWEDEN
Covered Property (1)
Method To Increase The Head Rope Life For Single Conveyance Friction Mine Hoists For Deep Shafts
Patent: 9,010,496 →
Application: 12/126,696 →
Publication: US 2008/0223664
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 23, 2018
From: ABB AB
To: ABB SCHWEIZ AG
Reel/Frame 045713/0398 →