IP Library › Assignment 003816/0955
Patent Assignment
Reel/Frame 003816/0955

Assignment of Assignors Interest.

Recorded: 1980-09-19 Pages: 1
Assignor
PARISH, VERBLE W.
Executed: 1980-09-15
Assignee
HUGHES TOOL COMPANY
HOUSTON, TEXAS
Covered Property (1)
Sealed Lubricated and Air Cooled Rock Bit Bearing
Patent: 4,386,668 →
Application: 06/188,443 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 15, 1984
From: HUGHES TOOL COMPANY
To: HUGHES TOOL COMPANY - USA A CORP OF
Reel/Frame 004269/0060 →
Change of Name Effective October 11, 1988 (Delaware) Nov 2, 1988
From: HUGHES TOOL COMPANY-USA, A CORP. OF DE
To: HUGHES TOOL COMPANY
Reel/Frame 005169/0319 →