Saw horse

Details Saw horse Saw horse

1975-09-10

1977-03-29

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Unitary foldable, rigid scaffold or ladder

Trestle

182181, F16M 1100

Patent

active

040144046

ABSTRACT:
A saw horse construction comprises:

REFERENCES:
patent: 403636 (1889-05-01), Bitterly
patent: 615364 (1898-12-01), Porten
patent: 906076 (1908-12-01), Smyth
patent: 1143397 (1915-06-01), Horn
patent: 2198956 (1940-04-01), Thielepape
patent: 2505532 (1950-04-01), Ernst
patent: 3008535 (1961-11-01), Vries
patent: 3058542 (1962-10-01), Rogalla
patent: 3613831 (1971-10-01), Estep

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