Patent Assignment
Reel/Frame 005155/0583
Assignment of Assignors Interest.
Recorded: 1989-10-10
Pages: 3
Assignee
NORTH AMERICAN REFRACTORIES COMPANY
1228 EUCLID AVENUE, CLEVELAND, OHIO, OH
Covered Property
(1)
Refractory Composition
Patent:
4,971,934 →
Application:
07/397,587 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.