IP Library Assignment 003811/0038
Patent Assignment
Reel/Frame 003811/0038

Assignment of Assignors Interest.

Recorded: 1980-11-17 Pages: 1
Assignor
OLSON WILLIAM E.
Executed: 1980-07-08
Assignee
Covered Property (1)
Electric Heating Apparatus for Foundry Ladle
Patent: 4,304,986 →
Application: 06/170,778 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name May 9, 1990
From: NEWESCO CORPORATION
To: ESCO CORPORATION
Reel/Frame 005285/0284 →