Patent Assignment
Reel/Frame 004847/0165
License
Recorded: 1988-04-04
Pages: 15
Assignor
NL INDUSTRIES, INC.
Executed: 1988-03-01
Assignee
DREXEL EQUIPMENT (UK) LTD.
AN ENGLISH REGISTERED COMPANY, LONDON, ENGLAND, UNITED KINGDOM
Covered Properties
(2)
Surveying of Boreholes
Patent:
4,163,324 →
Application:
05/880,873 →
Surveying of Boreholes Using Shortened Non-Magnetic Collars
Patent:
4,510,696 →
Application:
06/515,716 →
Related Assignments
(17)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 28, 1980
From: CHELTENHAM ATTITUDE SYSTEMS LIMITED
To: RUSSELL ATTITUDE SYSTEMS LIMITED, UNIT 3, E. CAMP, STAVERTON AIRPORT INDUSTRIAL ESTATE, CHELTENHAM, GLOUCESTERSHIRE
Reel/Frame 003795/0743 →
Change of Name Effective 3-16-67
Aug 28, 1980
From: RUSSELL ATTITUDE SYSTEMS LIMITED
To: CHELTENHAM ATTITUDE SYSTEMS LIMITED
Reel/Frame 003795/0742 →
Assignment of Assignors Interest.
Jul 20, 1983
From: ROESLER, RICHARD F.
To: NL INDUSTRIES, INC., A CORP OF NJ.
Reel/Frame 004156/0588 →
Assignment of Assignors Interest.
May 23, 1985
From: RUSSELL ATTITUDE SYSTEMS LIMITED
To: SPERRY SUN INC. 10707 CORPORATED DRIVE STAFFORD TX
Reel/Frame 004404/0103 →
Assignment of Assignors Interest.
Jun 10, 1985
From: NL SPERRY-SUN, INC.
To: NL INDUSTRIES, INC.
Reel/Frame 004412/0885 →
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 →
Assignment of Assignors Interest.
Feb 14, 1988
From: NL INDUSTRIES, INC., A NJ CORP.
To: BAROID TECHNOLOGY, INC.
Reel/Frame 005091/0020 →
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 →
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 →
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 →
Released by Secured Party Recorded at Reel 4739, Frame 0041
Jun 19, 1989
From: NATWEST USA CREDIT CORP.
To: FARLEY, INC.
Reel/Frame 005221/0044 →
Corrective Assignment to Delete the Sixteen Patent Properties Indicated in Schedule "a" Erroneously Recorded in a Security Agreement on July 31, 1987 at Reel 4739 Frames 041-069. (See Record for Details)
Nov 6, 1990
From: FARLEY, INC. (BY CHANGE OF NAME FROM FARLEY METALS, INC.)
To: NATWEST USA CREDIT CORP.
Reel/Frame 005554/0047 →
To Correct a Previously Executed Assignment Dated April 4, 1989, Which Was Recorded on June 9, 1989, at Reel 5221, Frames 0038-0041, Which Erroneously Identified Certain Patents in a Security Agreement. See Record for Details
Dec 6, 1990
From: FARLEY, INC. (BY CHANGE OF NAME FROM FARLEY METALS, INC.)
To: BANK OF NEW YORK, THE
Reel/Frame 006345/0956 →
Released by Secured Party
May 7, 1992
From: CHASE MANHATTAN BANK, THE
To: BAROID CORPORATION
Reel/Frame 006085/0590 →