IP Library › Assignment 003891/0956
Patent Assignment
Reel/Frame 003891/0956

Assignment of Assignors Interest.

Recorded: 1981-08-20 Pages: 1
Assignors
STAUFFER, RANDALL C.
Executed: 1978-09-01
PASZTOR, ANDREW J.
Executed: 1978-09-01
Assignee
Covered Property (1)
Method of Servicing Wellbores
Patent: 4,304,677 →
Application: 05/939,509 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Mar 16, 1992
From: FIRST NATIONAL BANK OF CHICAGO, THE
To: AMERICAN NATIONAL BANK AND TRUST COMPANY OF CHICAGO
Reel/Frame 006208/0595 →