Patent Assignment
Reel/Frame 003935/0822
Assignment of Assignors Interest.
Recorded: 1981-12-18
Pages: 1
Assignee
NL INDUSTRIES, INC., A CORP. OF NJ.
1230 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK
Covered Property
(1)
Wellhead Connector with Check Valve
Patent:
4,460,156 →
Application:
06/259,421 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 14, 1988
From: NL INDUSTRIES, INC., A NJ CORP.
To: BAROID TECHNOLOGY, INC.
Reel/Frame 005091/0020 →
Security Interest
Mar 8, 1989
From: BAROID CORPORATION, A CORP. OF DE.
To: CHASE MANHATTAN BANK (NATIONAL ASSOCIATION), THE
Reel/Frame 005196/0501 →
Released by Secured Party
May 7, 1992
From: CHASE MANHATTAN BANK, THE
To: BAROID CORPORATION
Reel/Frame 006085/0590 →
Assigns the Entire Right, Title and Interest. Subject to License Recited.
Oct 16, 1992
From: BAROID TECHNOLOGY, INC.
To: VARCO SHAFFER, INC.
Reel/Frame 006308/0956 →