IP Library › Assignment 003882/0358
Patent Assignment
Reel/Frame 003882/0358

Assignment of Assignors Interest.

Recorded: 1981-04-30 Pages: 1
Assignor
SHORT LOT W. JR.
Executed: 1981-04-29
Assignee
NL INDUSTRIES, INC.
1230 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10020
Covered Property (1)
Drill Bit and Method of Metallurgical and Mechanical Holding of Cutters in a Drill Bit
Patent: 4,453,605 →
Application: 06/259,182 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Jul 5, 1990
From: NL INDUSTRIES, INC.
To: CAMCO, INCORPORATED, A CORP. OF TX
Reel/Frame 005370/0475 →
Merger Jul 9, 1990
From: CAMCO, INCORPORATED, A CORP. OF TX.
To: CAMCO INTERNATIONAL INC., A CORP. OF DE
Reel/Frame 005366/0664 →