Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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11/21/1989
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Application #:
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07184489
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Filing Dt:
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04/19/1988
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Inventors:
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KATSUAKI ZENBAYASHI, HISAO OHTSUGA, AKIO MORINAGA, OSAMU TOYOSHIMA, SHINJI SHIMOKAWAY
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Title:
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BORING DEVICE FOR OPENING PASSAGES TO BRANCH PORTIONS OF A LINED MAIN PIPE LINE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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5-20, KAIGAN 1-CHOME |
MINATO-KU |
TOKYO, JAPAN |
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15, YOKOBORI 4-CHOME, HIGASHI-KU |
OSAKA-SHI |
OSAKA-FU, JAPAN |
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BIRCH, STEWART, KOLASCH AND BIRCH |
301 N. WASHINGTON STREET |
P. O. BOX 209 |
FALLS CHURCH, VA 22046 |
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