IP Library Assignment 004822/0066
Patent Assignment
Reel/Frame 004822/0066

Assignment of Assignors Interest.

Recorded: 1988-01-12 Pages: 2
Assignors
MAURER, WILLIAM C.
Executed: 1988-01-11
MC DONALD, WILLIAM J.
Executed: 1988-01-11
Assignee
Covered Property (1)
Deviated Wellbore Drillng System and Apparatus
Patent: 4,828,053 →
Application: 07/143,005 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Release Mar 2, 2000
From: FLEET CAPITAL CORPORATION
To: BLACK WARRIOR WIRELINE CORP.
Reel/Frame 010572/0514 →