Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2011-08-09
2011-08-09
Smith, R. Alexander (Department: 2841)
Geometrical instruments
Straight-line light ray type
Alignment device
C033SDIG021
Reexamination Certificate
active
07992311
ABSTRACT:
A system for a rotary boring tool that enables a user of the tool to align the tool perpendicularly with respect to a work surface of a work piece. In one embodiment the system enables a user to gauge distance or depth drilled into the work piece.
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Eisenberg Daniel
Premier Law Group, PLLC
Smith R. Alexander
Wood Christopher
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