Combination tape measure and square

Details Combination tape measure and square Combination tape measure and square

1991-05-10

1993-02-09

Douglas, Alan P.

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

D10 72, D10 62

Patent

active

D03331032

REFERENCES:
patent: Re27496 (1972-10-01), Andrews
patent: D209232 (1967-11-01), Charniga, Jr.
patent: D233618 (1880-10-01), Herzog
patent: D277834 (1985-03-01), Reeves
patent: 501774 (1893-07-01), Dunnington
patent: 530111 (1894-12-01), Krebs
patent: 733302 (1903-07-01), Van Court
patent: 1323742 (1919-12-01), Burroughs
patent: 4461092 (1984-07-01), Hore
patent: 4513510 (1985-04-01), Swanson
patent: 4580347 (1986-04-01), McKnight
patent: 4700489 (1987-10-01), Vasile
patent: 4742619 (1988-05-01), Swanson
patent: 4754528 (1988-07-01), Lyons et al.
patent: 5077910 (1992-01-01), Smith

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