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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
4658902
Issue Dt:
04/21/1987
Application #:
06752884
Filing Dt:
07/08/1985
Inventors:
DAVID S. WESSON, A. GLEN EDWARDS, FLINT R. GEORGE, KEVIN R. GEORGE, EMMERT F. BRIEGER
Title:
SURGING FLUIDS DOWNHOLE IN AN EARTH BOREHOLE
Assignment: 1
Reel/Frame:
004439/0546Recorded: 08/07/1985Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
WESSON, DAVID S.
Exec Dt:
07/01/1985
EDWARDS, A. GLEN
Exec Dt:
07/01/1985
GEORGE, FLINT R.
Exec Dt:
07/02/1985
GEORGE, KEVIN R.
Exec Dt:
07/02/1985
BRIEGER, EMMERT F.
Exec Dt:
07/02/1985
Assignee:
GEO VANN, INC., HOUSTON, HARRIS, TEXAS, A CORP F NEW MEXICO
TEXAS
Correspondent:
EUGENE L. FLANAGAN, III
GEO INTL. CORP.
1 LANDMARK SQ.
STAMFORD, CT 06901
Assignment: 2
Reel/Frame:
004555/0052Recorded: 05/16/1986Pages: 27
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
PEABODY INTERNATIONAL CORPORATION
Exec Dt:
09/28/1985
Assignee:
GEO INTERNATIONAL CORPORATION
STAMFORD, CONNECTICUT
Correspondent:
HALLIBURTON SERVICES
DIV. OF HALLIBURTON COMPANY
PO DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 3
Reel/Frame:
004606/0291Recorded: 08/28/1986Pages: 13
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
GEO VANN, INC.
Exec Dt:
10/15/1985
Assignee:
VANN SYSTEMS INC.
STATELESS
Correspondent:
FINNEGAN, HENDERSON, FARABOW, ETAL
1775 K STREET, N.W.
WASHINGTON DC 20006
Assignment: 4
Reel/Frame:
004606/0300Recorded: 08/28/1986Pages: 13
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
VANN SYSTEMS, INC.
Exec Dt:
12/05/1985
Assignee:
HALLIBURTON COMPANY
STATELESS
Correspondent:
FINNEGAN, HENDERSON, FARABOW, ET AL
1775 K STREET, N. W.
WASHINGTON, D. C. 20006
Assignment: 5
Reel/Frame:
004609/0807Recorded: 09/29/1986Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
EDWARDS, A. GLEN
Exec Dt:
09/16/1986
Assignee:
HALLIBURTON COMPANY, DUNCAN, OK, A CORP OF DE
OKLAHOMA
Correspondent:
JAMES R. DUZAN
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102

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