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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
5235259
Issue Dt:
08/10/1993
Application #:
07610545
Filing Dt:
11/08/1990
Inventors:
JASBIR S. DHINDSA, HECTOR C. ARAMBULA
Title:
APPARATUS AND METHOD FOR CONTROLLING A MOTOR
Assignment: 1
Reel/Frame:
005789/0865Recorded: 08/01/1991Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
DHINDSA, JASBIR S.
Exec Dt:
07/29/1991
ARAMBULA, HECTOR C.
Exec Dt:
07/29/1991
Assignee:
TECH POWER CONTROLS CORP.
4248 BLUEBONNET DRIVE
STAFFORD, TEXAS 77477
Correspondent:
PAUL S. MADAN
4248 BLUEBONNET DR.
STAFFORD, TX 77477
Assignment: 2
Reel/Frame:
019365/0445Recorded: 06/04/2007Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
TECH POWER CONTROLS CO.
Exec Dt:
04/30/2001
TECH POWER PRODUCTS CO.
Exec Dt:
04/30/2001
TECH POWER SERVICE CO.
Exec Dt:
04/30/2001
Assignee:
NATIONAL-OILWELL, L.P.
10000 RICHMOND AVENUE, SUITE 400
HOUSTON, TEXAS 77042
Correspondent:
GREGORY L. MAAG
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 3
Reel/Frame:
019365/0643Recorded: 06/04/2007Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
NATIONAL-OILWELL, L.P.
Exec Dt:
12/22/2005
Assignee:
NATIONAL OILWELL VARCO L.P.
10000 RICHMOND AVENUE, SUITE 400
HOUSTON, TEXAS 77042
Correspondent:
CONLEY ROSE, P.C.
P.O. BOX 3267
HOUSTON, TX 77253-3267

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