Patent Assignment
Reel/Frame 004311/0372
Assignment of Assignors Interest.
Recorded: 1984-02-16
Pages: 1
Assignor
ERICKSON, ROBERT A.
Executed: 1984-02-14
Assignee
KENNAMETAL INC., A PA CORP.
P.O. BOX 231, LATROBE, PENNSYLVANIA, 15650
Covered Property
(1)
Mechanically Fastened Center Vacuum Roof Drill Bit
Patent:
4,603,751 →
Application:
06/580,825 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.