Patent Assignment
Reel/Frame 041366/0538
Assignment of Assignor's Interest
Recorded: 2017-02-24
Pages: 3
Assignee
GENERAL DOWNHOLE TECHNOLOGIES LTD.
#7 4905, 102 AVE SE, CALGARY, ALBERTA, T2C2X7, CANADA
Covered Property
(1)
System, Method And Apparatus For Controlling Fluid Flow Through Drill String
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 1, 2013
From: CRAMER, DAVID S.; HARVEY, MICHAEL J.
To: GENERAL DOWNHOLE TECHNOLOGIES LTD.
Reel/Frame 031320/0172 →
Assignment of Assignor's Interest
May 9, 2019
From: GENERAL DOWNHOLE TECHNOLOGIES LTD.
To: REVE, LLC
Reel/Frame 049127/0377 →
Assignment of Assignor's Interest
May 9, 2019
From: REVE, LLC
To: DYNOMAX DRILLING TOOLS USA, INC.
Reel/Frame 049127/0470 →
Assignment of Assignor's Interest
Jun 2, 2021
From: DYNOMAX DRILLING TOOLS USA, INC.
To: DYNOMAX DRILLING TOOLS INC. (CANADA)
Reel/Frame 056416/0131 →