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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10/12/1993
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Application #:
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07825431
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Filing Dt:
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01/21/1992
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Inventors:
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HEINZ MUELLER, CLAUS-PETER HEROLD, STEPHAN VON TAPAVICZA, DOUGLAS J. GRIMES et al
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Title:
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DRILLING FLUIDS AND MUDS CONTAINING SELECTED ESTER OILS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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HENKELSTRASSE 67 |
D-40191 DUESSELDORF, GERMANY |
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197 KNIGHTS BRIDGE |
LONDON, ENGLAND |
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CONNOLLY AND HUTZ |
WILLIAM E. MCSHANE |
1220 MARKET STREET |
P.O. BOX 2207 |
WILMINGTON, DE 19899 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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HENKELSTRASSE 67 |
DUESSELDORF, GERMANY 40589 |
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COGNIS CORPORATION |
AARON R. ETTELMAN |
300 BROOKSIDE AVENUE |
PATENT DEPARTMENT |
AMBLER, PA 19002 |
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