Patent Assignment
Reel/Frame 037055/0188
Security Interest
Recorded: 2015-11-17
Pages: 4
Assignor
HORIZONTAL WELL DRILLERS, LLC
Executed: 2014-08-14
Assignee
CALLIDUS CAPITAL CORPORATION
P.O. BOX 212, TORONTO, ONTARIO, M5K1K2, CANADA
Covered Properties
(3)
Top drive and crown apparatus for drilling derrick
Patent:
8,684,336 →
Application:
13/374,790 →
Telescoping drilling derrick with guide track and top drive guide assembly
Patent:
8,893,825 →
Application:
13/374,801 →
Drilling derrick and apparatus base assembly
Patent:
8,985,239 →
Application:
13/374,802 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 29, 2014
From: AKERMAN, STEVE
To: HORIZONTAL WELL DRILLERS, LLC
Reel/Frame 033636/0617 →
Assignment of Assignor's Interest
Aug 29, 2014
From: AKERMAN, STEVE
To: HORIZONTAL WELL DRILLERS, LLC
Reel/Frame 033636/0773 →
Assignment of Assignor's Interest
Aug 29, 2014
From: AKERMAN, STEVE
To: HORIZONTAL WELL DRILLERS, LLC
Reel/Frame 033636/0904 →