Curved bore drilling apparatus
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United States of America Patent
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-
Mar 26, 1991
Issued Date -
N/A
app pub date -
Apr 18, 1990
filing date -
Apr 13, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Curved bore drilling apparatus and methods having a remotely actuated, pivotal rocker arm and cantilevered, curved guide means which guide and advance a cutting means through a predetermined curved path to drill one or more curved bores within a solid material.
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Cited Art Landscape
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