Safety compass

Details Safety compass Safety compass

1997-10-09

1999-08-10

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Guide

D19 37, 1906

Patent

active

D04127170

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patent: 3797119 (1974-03-01), McDow
patent: 5090127 (1992-02-01), Shapiro et al.
patent: 5546663 (1996-08-01), Warwicker

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