Combination tape measure and square

Details Combination tape measure and square Combination tape measure and square

1991-05-10

1993-03-02

Douglas, Alan P.

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

D10 64, D10 62

Patent

active

D03336271

REFERENCES:
patent: Re27496 (1972-10-01), Andrews
patent: D168329 (1952-12-01), Blum
patent: 501774 (1893-07-01), Dunnington
patent: 530111 (1894-12-01), Krebs
patent: 1259886 (1918-03-01), McLeod
patent: 1323742 (1919-12-01), Burroughs
patent: 2240753 (1941-05-01), Bouchard et al.
patent: 3577641 (1971-04-01), Smith
patent: 4023277 (1977-05-01), Fizer
patent: 4580347 (1986-04-01), McKnight
patent: 4700489 (1987-10-01), Vasile
patent: 4754528 (1988-07-01), Lyons et al.
patent: 4965944 (1990-10-01), Kuze et al.

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