IP Library › Assignment 048810/0019
Patent Assignment
Reel/Frame 048810/0019

Assignment of Assignor's Interest

Recorded: 2019-04-05 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, T2B 256, CANADA
Covered Property (1)
System, Method and Apparatus for Controlling Fluid Flow Through Drill String
Application: 16/132,280 →
Publication: US 2019/0169960
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 17, 2018
From: CRAMER, DAVID S.; HARVEY, MICHAEL J.
To: GENERAL DOWNHOLE TECHNOLOGIES LTD.
Reel/Frame 046892/0585 →
Assignment of Assignor's Interest Apr 5, 2019
From: REVE, LLC
To: DYNOMAX DRILLING TOOLS USA, INC.
Reel/Frame 048810/0147 →
Assignment of Assignor's Interest Apr 5, 2019
From: GENERAL DOWNHOLE TECHNOLOGIES LTD.
To: REVE, LLC
Reel/Frame 048814/0807 →
Assignment of Assignor's Interest May 17, 2021
From: DYNOMAX DRILLING TOOLS USA, INC.
To: DYNOMAX DRILLING TOOLS INC. (CANADA)
Reel/Frame 056265/0137 →