Patent Assignment
Reel/Frame 044008/0633
Assignment of Assignor's Interest
Recorded: 2017-11-01
Pages: 3
Assignors
ROSTVALL, TOMAS
Executed: 2015-06-14
SUNDQVIST, PÄR
Executed: 2015-06-18
ANDERSSON, THOMAS
Executed: 2015-06-17
Assignee
ATLAS COPCO SECOROC AB
BOX 521, FAGERSTA, SE-737 25, SWEDEN
Covered Property
(1)
A Method for Treating Toughness and Hardness of Drill Bit Buttons
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.