Geometrical instruments – Straightedge type – Rules
Patent
1995-03-14
1996-03-26
Fulton, Christopher W.
Geometrical instruments
Straightedge type
Rules
33492, 336791, G01B 304
Patent
active
055010199
ABSTRACT:
An instrument for performing various drawing and measurement functions is disclosed. The instrument includes an elongated plate having a straight edge and a measurement region. A protractor plate is connected to the elongated plate and cooperates with a rotatable center dial for the drawing and measuring of angles. The instrument also preferably includes holes through the elongated plate. The holes are configured to receive a marking instrument so the device can be used as a compass. Additionally, an attachment region allows the instrument to be held in a conventional ring binder.
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Concari Gabriel E.
Westberg Rhonda M.
Fiskars Inc.
Fulton Christopher W.
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