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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
10/18/1983
Application #:
06307558
Filing Dt:
10/01/1981
Inventor:
KEVIN W. LOCKYEAR
Title:
BACKSPIN DETECTION CIRCUIT FOR A SUBMERSIBLE PUMP
Assignment: 1
Reel/Frame:
003928/0431Recorded: 10/01/1981Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
09/15/1981
Assignee:
P.O. BOX 2539
HOUSTON, TEXAS 77001
Correspondent:
ROBERT A. FELSMAN
PATS. & TECH. MANAGEMENT
HUGHES TOOL CO., P. O. BOX 2539
HOUSTON, TX 77001
Assignment: 2
Reel/Frame:
004123/0711Recorded: 04/25/1983Pages: 4
Conveyance:
ASSIGNMENT OF A PART OF ASSIGNORS INTEREST
Assignor:
Exec Dt:
12/30/1982
Assignee:
P.O. BOX 2539
A CORP. OF DE
HOUSTON, TEXAS 77001
Correspondent:
HUGHES TOOL COMPANY
5425 POLK AVE.
HOUSTON, TX. 77001
Assignment: 3
Reel/Frame:
005050/0861Recorded: 08/08/1988Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
06/09/1988
Assignee:
3900 ESSEX,
HOUSTON,, TEXAS 77027
Correspondent:
JAMES E. BRADLEY
PATENTS & TECHNOLOGY MGMNT.
HUGHES TOOL CO.
P. O. BOX 2539
HOUSTON, TX 77252-2539
Assignment: 4
Reel/Frame:
005496/0003Recorded: 09/17/1990Pages: 18
Conveyance:
MERGER AND CHANGE OF NAME EFFECTIVE ON DECEMBER 31, 1989, IN PENNSYLVANIA
Assignors:
Exec Dt:
12/31/1989
Exec Dt:
12/31/1989
Exec Dt:
12/31/1989
Assignee:
Correspondent:
ATOCHEM NORTH AMERICA, INC.
PATENT DEPARTMENT - MARY G. FAY
THREE PARKWAY
PHILADELPHIA, PA 19102

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