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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
6230828
Issue Dt:
05/15/2001
Application #:
08925525
Filing Dt:
09/08/1997
Inventors:
CHRISTOPHER C. BEUERSHAUSEN, MARK W. DYKSTRA, ROGER FINCHER, ROLAND ILLERHAUS et al
Title:
ROTARY DRILLING BITS FOR DIRECTIONAL DRILLING EXHIBITING VARIABLE WEIGHT-ON-BIT DEPENDENT CUTTING CHARACTERISTICS
Assignment: 1
Reel/Frame:
008913/0368Recorded: 01/14/1998Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
DYKSTRA, MARK W.
Exec Dt:
11/04/1997
ILLERHAUS, ROLAND
Exec Dt:
11/11/1997
MATSON, STEVE R.
Exec Dt:
11/04/1997
PESSIER, RUDOLF C.O.
Exec Dt:
11/04/1997
Assignee:
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Correspondent:
TRASK, BRITT & ROSSA
JOSEPH A. WALKOWSKI
P.O. BOX 2550
SALT LAKE CITY, UT 84110-2550
Assignment: 2
Reel/Frame:
008913/0365Recorded: 01/15/1998Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
BEUERSHAUSEN, CHRISTOPHER C.
Exec Dt:
11/10/1997
Assignee:
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Correspondent:
TRASK, BRITT & ROSSA
JOSEPH A WALKOWSKI
P.O. BOX 2550
SALT LAKE CITY, UT 84110-2550
Assignment: 3
Reel/Frame:
008913/0373Recorded: 01/15/1998Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
FINCHER, ROGER
Exec Dt:
11/13/1997
Assignee:
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Correspondent:
TRASK, BRITT & ROSSA
JOSEPH A. WALKOWSKI
P.O. BOX 2550
SALT LAKE CITY, UT 84110-2550
Assignment: 4
Reel/Frame:
008913/0345Recorded: 01/15/1998Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
NORRIS, JAMES A.
Exec Dt:
12/11/1997
Assignee:
BAKER HUGHES INCORPORATED
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Correspondent:
TRASK, BRITT & ROSSA
JOSEPH A. WALKOWSKI
P.O. BOX 2550
SALT LAKE CITY, UT 84110-2550
Assignment: 5
Reel/Frame:
008913/0355Recorded: 01/15/1998Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
OHANIAN, MICHAEL P.
Exec Dt:
12/22/1997
Assignee:
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Correspondent:
TRASK, BRITT & ROSSA
JOSEPH A. WALKOWSKI
P.O. BOX 2550
SALT LAKE CITY, UT 84110-2550

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