IP Library Assignment 004311/0372
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.
Assignment of Assignor's Interest Oct 24, 2000
From: KENNAMETAL INC.
To: KENNAMETAL PC INC.
Reel/Frame 011052/0001 →