Patent Assignment
Reel/Frame 030279/0021
Assignment of Assignor's Interest
Recorded: 2013-04-24
Pages: 6
Assignors
BUCKINGHAM, STUART
Executed: 2013-02-21
MICHEL, MATT J.
Executed: 2013-02-28
SPIVAK, DMITRY
Executed: 2013-02-28
BERG, TIM
Executed: 2013-02-28
Assignee
BLACK HAWK ENERGY SERVICES, INC.
139 MISSOURI, BLOOMFIELD, NEW MEXICO, 87413
Covered Property
(1)
Base Beam and Self-Propelled Derrick Rig Assembly
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 17, 2013
From: BLACK HAWK ENERGY SERVICES, INC.
To: BLACK HAWK ACQUISITION, INC.
Reel/Frame 031797/0084 →
Security Interest
Dec 4, 2017
From: BLACK HAWK ENERGY SERVICES LTD.; HANDY & HARMAN; HANDYTUBE CORPORATION; MTE CORPORATION
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 044678/0939 →
Change of Name
Dec 28, 2017
From: BLACK HAWK ACQUISITION, INC.
To: BLACK HAWK ENERGY SERVICES LTD.
Reel/Frame 044968/0764 →
Change of Name
Jun 4, 2025
From: BLACK HAWK ENERGY SERVICES LTD.
To: BLACK HAWK ENERGY SERVICES, LLC
Reel/Frame 071531/0955 →