Patent Assignment
Reel/Frame 004076/0554
Assignment of Assignors Interest.
Recorded: 1982-12-10
Pages: 1
Assignor
STOCKTON, JAMES G.
Executed: 1982-10-07
Assignee
N L INDUSTRIES, INC.
1230 AVENUE OF THE AMERICAS, A CORP. OF NJ., NEW YORK, NEW YORK, 10020
Covered Property
(1)
System for Detecting Blow Out and Lost Circulation in a Borehole
Patent:
4,527,425 →
Application:
06/448,531 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 14, 1988
From: SPERRY-SUN DRILLING SERVICES, INC.
To: BAROID TECHNOLOGY, INC., 3000 NORTH SAM HOUSTON PARKWAY EAST A CORP. OF DE
Reel/Frame 005024/0898 →
Certificate of Incorporation to Restate Incorporation, Effective July 21, 1976
Feb 14, 1988
From: SPERRY-SUN WELL SURVEYING COMPANY
To: SPERRY-SUN, INC.
Reel/Frame 005024/0918 →
Change of Name (See Record for Details) Effective 10-19-81 , Delaware
Feb 14, 1988
From: NL SPERRY - SUN, INC.
To: SPERRY-SUN DRILLING SERVICES, INC.
Reel/Frame 005024/0939 →
Security Interest
Mar 8, 1989
From: BAROID CORPORATION, A CORP. OF DE.
To: CHASE MANHATTAN BANK (NATIONAL ASSOCIATION), THE
Reel/Frame 005196/0501 →
Change of Name
Jun 15, 1989
From: SPERRY-SUN WELL SURVEYING COMPANY
To: SPERRY-SUN, INC., A CORP. OF DE.
Reel/Frame 005208/0153 →
Change of Name April 24, 1981, June 24, 1981 and November 23, 1988 Respectively
Jun 15, 1989
From: NL ACQUISTION CORPORATION, (CHANGED TO); SPERRY-SUN, INC., (CHANGED TO ); NL SPERRY-SUN, INC., (CHANGED TO)
To: SPERRY-SUN DRILLING SERVICES, INC.
Reel/Frame 005208/0157 →
Assignment of Assignors Interest.
Jun 15, 1989
From: SPERRY-SUN DRILLING SERVICES, INC., A CORP. OF DE.
To: BAROID TECHNOLOGY, INC., A CORP. OF DE.
Reel/Frame 005208/0161 →
Released by Secured Party
May 7, 1992
From: CHASE MANHATTAN BANK, THE
To: BAROID CORPORATION
Reel/Frame 006085/0590 →