Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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03/01/1988
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Application #:
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07007772
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Filing Dt:
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01/28/1987
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Inventors:
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MARTEN REINTJES, CRAIG D. MARKEN
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Title:
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MODIFIED LIGNOSULFONATE DRILLING FLUID DISPERSANTS AND PROCESS FOR THE PREPARATION THEREOF
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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320 PARK AVENUE |
NEW YORK, NEW YORK 10022 |
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WELSH AND KATZ, LTD., |
135 SOUTH LA SALLE ST. |
CHICAGO, IL 60603 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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1177 SUMMER STREET |
STAMFORD, CONNECTICUT 06904 |
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CURTIS, MORRIS & SAFFORD, P.C. |
FRED A. KEIRE |
530 FIFTH AVENUE |
NEW YORK, NY 10036 |
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