Patent Assignment
Reel/Frame 027198/0272
Assignment of Assignor's Interest
Recorded: 2011-11-09
Pages: 3
Assignee
HALL, DAVID R.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property
(1)
Downhole Steerable Hammer Element
Application:
12/752,323 →
Publication:
US 2011/0240369
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.