Geometrical instruments – Area integrators – Electrical
Patent
1986-04-14
1987-02-17
Stearns, Richard R.
Geometrical instruments
Area integrators
Electrical
33464, G01B 310, B43L 706
Patent
active
046428984
ABSTRACT:
A marking and measuring tool has a set of channels in which a bar may be slid. The channels extend from a flat side face adapted to be placed flush against a side of a work piece with one side of each channel extending towards a common line located in the plane of the side face.
REFERENCES:
patent: 980340 (1911-01-01), Roch et al.
patent: 2571569 (1951-10-01), Greenwood
patent: 3390461 (1968-07-01), Anderson
patent: 3510950 (1970-05-01), Andrews
patent: 4044469 (1977-08-01), Posey
patent: 4200984 (1980-05-01), Fink
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