Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2008-11-17
2010-12-07
Fulton, Christopher W (Department: 2841)
Geometrical instruments
Straight-line light ray type
Alignment device
C033SDIG021, C033S412000, C033S529000
Reexamination Certificate
active
07845084
ABSTRACT:
A method and apparatus for a pipe alignment tool have been described. A laser is inserted into the end of a pipe and projects a laser beam indicative of the longitudinal axis of the pipe.
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Fulton Christopher W
Heimlich Law
Heimlich, Esq. Alan
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