Patent Assignment
Reel/Frame 047949/0614
Assignment of Assignor's Interest
Recorded: 2018-12-18
Pages: 4
Assignor
MIVA ENGINEERING LTD.
Executed: 2018-04-30
Assignee
DRILLFORM TECHNICAL SERVICES LTD.
7920 - 56 STREET SE, CALGARY, ALBERTA, T2C 4S9, CANADA
Covered Property
(1)
Self-Amplifying Safety Brake
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 18, 2018
From: SCEKIC, VLADIMIR; GNASIENCO, RADU; TURNBULL, RUSSELL; BATALHA, KEVIN
To: MIVA ENGINEERING LTD.
Reel/Frame 047803/0564 →
Security Interest
May 19, 2022
From: DRILLFORM TECHNICAL SERVICES LTD.
To: HELMERICH & PAYNE INTERNATIONAL DRILLING CO.
Reel/Frame 059958/0385 →