IP Library › Assignment 044990/0165
Patent Assignment
Reel/Frame 044990/0165

Assignment of Assignor's Interest

Recorded: 2018-02-21 Pages: 9
Assignors
LI, LIGUO
Executed: 2018-02-19
HUGHES, DAVID
Executed: 2017-11-09
HOU, YANAN
Executed: 2018-02-19
DAVIES, EVAN LLOYD
Executed: 2018-02-19
VANLUE, DUKE
Executed: 2017-11-10
Assignee
DOWNHOLE TECHNOLOGY, LLC
12450 CUTTEN RD., HOUSTON, TEXAS, 77066
Covered Properties (3)
Composition of Matter and Use Thereof
Downhole Tool and Method of Use
Application: 15/784,020 →
Publication: US 2018/0038191
Composition of Matter and Use Thereof
Application: 15/876,120 →
Publication: US 2018/0142096
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 20, 2017
From: DAVIES, EVAN LLOYD; VANLUE, DUKE; HOU, YANAN
To: DOWNHOLE TECHNOLOGY, LLC
Reel/Frame 043911/0282 →
Assignment of Assignor's Interest Feb 21, 2018
From: DAVIES, EVAN LLOYD; VANLUE, DUKE; HOU, YANAN; HUGHES, DAVID
To: DOWNHOLE TECHNOLOGY, LLC
Reel/Frame 044989/0471 →
Assignment of Assignor's Interest Feb 21, 2018
From: DAVIES, EVAN LLOYD; HOU, YANAN; VANLUE, DUKE
To: DOWNHOLE TECHNOLOGY, LLC
Reel/Frame 044989/0600 →
Change of Name Oct 11, 2019
From: DOWNHOLE TECHNOLOGY, LLC
To: THE WELLBOSS COMPANY, LLC
Reel/Frame 050690/0537 →