IP Library › Assignment 020632/0230
Patent Assignment
Reel/Frame 020632/0230

Assignment of Assignor's Interest

Recorded: 2008-03-11 Pages: 5
Assignors
CARNEY, PETER R., MR.
Executed: 2008-02-19
BARSUKOV, IGOR V., MR.
Executed: 2008-02-19
WAWRZOS, FRANK, MR.
Executed: 2008-02-19
RADFORD, JEFFRY W., MR.
Executed: 2008-02-19
Assignee
SUPERIOR GRAPHITE CO.
10 SOUTH RIVERSIDE PLAZA, SUITE 1470, CHICAGO, ILLINOIS, 60606
Covered Property (1)
Methods for Extracting Oil from Tar Sand
Patent: 7,617,869 →
Application: 11/671,135 →
Publication: US 2008/0185145
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 →