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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
04/26/1983
Application #:
06195460
Filing Dt:
10/09/1980
Inventors:
RUDOLF J. NOVOTNY, RICHARD G. GANDY
Title:
ZERO FREE WATER CEMENT COMPOSITION AND METHOD
Assignment: 1
Reel/Frame:
003974/0813Recorded: 10/09/1980Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
09/29/1980
Exec Dt:
09/29/1980
Assignee:
777 S. POST OAK RD. #333
HOUSTON, TEXAS
Correspondent:
ROBERT A. FELSMAN
PATS. & TECH., HUGHES TOOL DIV.
HUGHES TOOL CO.
P. O. BOX 2539
HOUSTON, TX 77001
Assignment: 2
Reel/Frame:
004098/0273Recorded: 02/22/1983Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/31/1982
Assignee:
P.O. BOX 2539,
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:
005852/0291Recorded: 09/25/1991Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/23/1990
Assignee:
A CORP. OF DE.
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77072
Correspondent:
CHARLES D. GUNTER, JR.
FELSMAN, BRADLEY, GUNTER & DILLON
2600 CONTINENTAL PLAZA
777 MAIN STREET
FORT WORTH, TX. 76102

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