IP Library Assignment 007139/0099
Patent Assignment
Reel/Frame 007139/0099

Assignment of Assignor's Interest

Recorded: 1994-09-02 Pages: 4
Assignors
NARAGHI, ALI R.
Executed: 1994-08-31
ROZELL, ROBERT S.
Executed: 1994-08-31
Assignee
CHAMPION TECHNOLOGIES INC.
3130 FM 521, FRESNO, TEXAS, 77545
Covered Property (1)
Method for Reducing Torque in Downhole Drilling
Patent: 5,535,834 →
Application: 08/300,308 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Aug 13, 2014
From: CHAMPION TECHNOLOGIES, INC.
To: NALCO COMPANY
Reel/Frame 033527/0421 →
Assignment of Assignor's Interest Aug 13, 2014
From: NALCO COMPANY
To: ECOLAB USA INC.
Reel/Frame 033527/0512 →