IP Library › Assignment 049126/0620
Patent Assignment
Reel/Frame 049126/0620

Assignment of Assignor's Interest

Recorded: 2019-05-09 Pages: 4
Assignors
CRAMER, DAVID S.
Executed: 2013-09-06
HARVEY, MICHAEL J.
Executed: 2013-09-30
Assignee
GENERAL DOWNHOLE TECHNOLOGIES LTD.
#12 4807 32 ST, CALGARY AB, T2B 256, CANADA
Covered Property (1)
System, Method and Apparatus for Controlling Fluid Flow Through Drill String
Application: 15/082,185 →
Publication: US 2016/0208576
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 27, 2017
From: CRAMER, DAVID S.; HARVEY, MICHAEL J.
To: GENERAL DOWNHOLE TECHNOLOGIES LTD.
Reel/Frame 041378/0781 →
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 May 17, 2021
From: DYNOMAX DRILLING TOOLS USA, INC.
To: DYNOMAX DRILLING TOOLS INC. (CANADA)
Reel/Frame 056265/0137 →