Geometrical instruments – Straightedge type – Rules
Patent
1995-11-14
1997-04-01
Fulton, Christopher W.
Geometrical instruments
Straightedge type
Rules
33485, 33562, B43L 700
Patent
active
056154887
ABSTRACT:
A non-slip sewing ruler comprising an elongate guide member including a pair of apertures disposed therein. Releasably attached to the top surface of the guide member is a handle member having a pair of pin members extending therefrom. Each of the pin members defines a pin point which is received into a respective one of the apertures when the handle member is attached to the guide member. The handle member is selectively movable between a first position wherein the pin points reside within the apertures, and a second position wherein the pin points protrude from the bottom surface of the guide member.
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patent: 5191716 (1993-03-01), Anderson
patent: 5471749 (1995-12-01), Brady
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