Geometrical instruments – Scriber – Parallel line
Reexamination Certificate
2007-07-13
2010-12-07
Guadalupe-McCall, Yaritza (Department: 2841)
Geometrical instruments
Scriber
Parallel line
C033S479000, C030S293000
Reexamination Certificate
active
07845083
ABSTRACT:
The present invention relates to a device for easily and accurately marking, scoring and cutting drywall sheet material, the device having a general appearance of a T-square and comprising gripping pins for securely holding the T-square on the sheet material to be marked, scored or cut.
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Guadalupe-McCall Yaritza
Wilson David J.
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