B - Operations – Transporting – 43 – L
Patent
B - Operations, Transporting
43
L
B43L 13/00 (2006.01) B43L 13/08 (2006.01)
Patent
CA 2164541
A drafting instrument is disclosed that functions as a protractor, compass, T-square and ruler. The instrument is especially adaptable for use on dry erase boards, chalkboards and tables Apertures disposed in the ruler portion of the instrument accommodate pen tips and facilitate the drawing of arcs, circles and parallel lines. The preferred embodiment of the instrument is two-piece with a uni-body instrument and a suction cup pivotally attached to the underside thereof.
Cassan Maclean
Sanford Corporation
LandOfFree
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