Radius curve template

Details Radius curve template Radius curve template

1983-05-13

1985-12-24

Ansher, Bernard

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Guide

D10 62

Patent

active

D02818876

REFERENCES:
patent: D141882 (1945-07-01), Matson
patent: D166118 (1952-03-01), O'Connor
patent: D167043 (1952-06-01), Kintz
patent: 365479 (1887-06-01), Latimer
patent: 1604232 (1926-10-01), Lipke
patent: 2014190 (1935-09-01), Simon
patent: 2478071 (1949-08-01), Agrillo
Art Brown & Bro., Inc. Catalog, July 1973, p. 144, Large Isomeric Elipses and Civil Engineers.
Office Products Dealer, Feb. 1982, p. 132, Template and Lettering Guides.
Alvin & Co., Inc. Catalog, p. 21, Arc Lettering Guide.
Alvin & Co., Inc. Catalog, p. 35, bottom of page-Ellipse Template.

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