Patent Assignment
Reel/Frame 004156/0588
Assignment of Assignors Interest.
Recorded: 1983-07-20
Pages: 1
Assignor
ROESLER, RICHARD F.
Executed: 1983-07-14
Assignee
NL INDUSTRIES, INC., A CORP OF NJ.
1230 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK
Covered Property
(1)
Surveying of Boreholes Using Shortened Non-Magnetic Collars
Patent:
4,510,696 →
Application:
06/515,716 →
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 →
License
Apr 4, 1988
From: NL INDUSTRIES, INC.
To: DREXEL EQUIPMENT (UK) LTD.
Reel/Frame 004847/0165 →
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 →