Patent Assignment
Reel/Frame 027478/0514
Assignment of Assignor's Interest
Recorded: 2012-01-04
Pages: 3
Assignor
LIM, BYUNG-DUK
Executed: 2011-12-27
Assignee
EVERDIGM ROCK TOOLS CORP
300, WANJUSANDAN-5RO, BONGDONG-EUP, JEOLLABUK-DO, WANJU-GUN, 565-904, KOREA, REPUBLIC OF
Covered Property
(1)
Ground Drilling Hammer and the Driving Method