Patent Assignment
Reel/Frame 011838/0986
Assignment of Assignor's Interest
Recorded: 2001-05-14
Received: 2001-06-01
Pages: 2
Assignor
SANDSTROM, ROGER
Executed: 2001-03-28
Assignee
UNIROC AB
S-737 25 FAGERSTA, SEX, SWEDEN
Covered Property
(1)
Thread Coupling for a Drill String for Percussive Rock Drilling
Application:
09/806,220 →