Patent Assignment
Reel/Frame 003949/0157
Change of Name
Recorded: 1982-02-16
Pages: 3
Assignor
SPERRY-SUN, INC.
Executed: 1981-06-23
Assignee
NL SPERRY-SUN INC.
TEXAS
Covered Property
(1)
Continuous Borehole Telemetry System and Method
Patent:
4,399,877 →
Application:
06/255,024 →
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 17, 1981
From: JACKSON JOSHUA M.; KOVAL VERNON E.
To: SPERRY-SUN, INC.
Reel/Frame 003879/0972 →
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 →
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 →
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 →