IP Library › Assignment 024782/0476
Patent Assignment
Reel/Frame 024782/0476

Assignment of Assignor's Interest

Recorded: 2010-08-03 Pages: 5
Assignor
JEKIELEK, DAVID
Executed: 2010-07-26
Assignee
TECHNICAL DRILLING TOOLS, LTD.
9830 TANNER ROAD, HOUSTON, TEXAS, 77041
Covered Properties (2)
Shock Reduction Tool for a Downhole Electronics Package
Patent: 8,640,795 →
Application: 12/791,598 →
Publication: US 2011/0186284
Shock Reduction Tool for a Downhole Electronics Package
Application: 61/300,205 →
Related Assignments (3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest May 21, 2021
From: TECHNICAL DRILLING TOOLS, LTD; JEKIELEK, DAVID; JEKIELEK, MARTHA CEIL
To: A-Z DRILLING TOOLS, LLC
Reel/Frame 056312/0254 →
Assignment of Assignor's Interest Mar 17, 2022
From: A-Z DRILLING TOOLS GROUP, LLC
To: COMPASS DIRECTIONAL GUIDANCE, INC.
Reel/Frame 059288/0537 →
Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 056312 Frame: 0254. Assignor(S) Hereby Confirms the Assignment . Mar 17, 2022
From: JEKIELEK, DAVID; JEKIELEK, MARTHA CEIL; TECHNICAL DRILLING TOOLS, LTD
To: A-Z DRILLING TOOLS GROUP, LLC
Reel/Frame 059379/0732 →