Geometrical instruments – Gauge – Template
Patent
1993-10-04
1994-08-02
Cuchlinski, Jr., William A.
Geometrical instruments
Gauge
Template
33430, 33 2704, B43L 1320
Patent
active
053333896
ABSTRACT:
A board member including a plurality of linear and arcuate tracks are provided, with each of the tracks including respective openings directed therethrough extending from the board top through bottom walls to permit the execution of lettering by the board to accommodate each letter of the alphabet.
REFERENCES:
patent: 179686 (1876-07-01), David
patent: 4185392 (1980-01-01), Berkman
patent: 4520573 (1985-06-01), Otten
Combs E. Michael
Cuchlinski Jr. William A.
Wirthlin Alvin
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