IP Library › Assignment 029855/0675
Patent Assignment
Reel/Frame 029855/0675

Assignment of Assignor's Interest

Recorded: 2013-02-22 Pages: 7
Assignors
ZHOU, CHANGJUN
Executed: 2013-02-15
BRULEY, JAMES L.
Executed: 2013-02-15
GARCIA, JESS MARURI
Executed: 2013-02-14
Assignee
SUPERIOR GRAPHITE CO.
10 SOUTH RIVERSIDE, SUITE 1470, CHICAGO, ILLINOIS, 60606
Covered Property (1)
Wellbore Fluid Testing Assembly
Patent: 9,206,681 →
Application: 13/761,791 →
Publication: US 2014/0216149
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Apr 8, 2019
From: SUPERIOR GRAPHITE CO.
To: BMO HARRIS BANK N.A.
Reel/Frame 048818/0678 →
Release of Security Interest Mar 28, 2023
From: BMO HARRIS BANK N.A.
To: SUPERIOR GRAPHITE CO.
Reel/Frame 063130/0676 →