Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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06/02/1992
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Application #:
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07750270
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Filing Dt:
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08/27/1991
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Inventors:
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ROBERT-JAN BARTELS, HANS-DIETER PIOTROWSKI
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Title:
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HYDRAULICALLY OPERATED HAMMER DRILL
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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HELENENSTRASSE 149 |
W-4300 ESSEN 1, GERMANY |
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SPENCER & FRANK |
1111 - 19TH STREET, N.W. |
WASHINGTON, D.C. 20036 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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HELENENSTRASSE 149 |
D-45143 ESSEN, GERMANY |
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VENABLE, BAETJER, HOWARD & CIVELETTI |
GABOR J. KELEMEN |
P.O. BOX 34385 |
WASHINGTON, DC 20043-9998 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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HELENENSTRASSE 149 |
D-45143 ESSEN, GERMANY |
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VENABLE, BAETJER, HOWARD ET AL. |
GABOR J. KELEMEN |
P.O. BOX 34385 |
WASHINGTON, DC 20043-9998 |
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