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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
12/26/2000
Application #:
09226197
Filing Dt:
01/07/1999
Inventors:
DENZAL WAYNE VAN WINKLE, DAVID MCWHORTER
Title:
BI-DIRECTIONAL SEALING RAM
Assignment: 1
Reel/Frame:
009844/0738Recorded: 03/03/1999Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
02/12/1999
Exec Dt:
02/23/1999
Assignee:
2800 N. FRAZIER
CONROE, TEXAS 77305
Correspondent:
TIM COOK
FIVE GREENWAY PLAZA, SUITE 2900
HOUSTON, TEXAS 77046
Assignment: 2
Reel/Frame:
011923/0378Recorded: 03/19/2001Pages: 3
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/16/2001
Assignee:
2835 HOLMES ROAD
HOUSTON, TEXAS 77051
Correspondent:
BRACEWELL & PATTERSON, L.L.P.
TIM COOK
P.O. BOX 61389
HOUSTON, TEXAS 77208-1389

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