Ladder rung

Details Ladder rung Ladder rung

1994-08-12

1996-07-16

Davis, Antoine Duval

Building units and construction elements

Stair, ladder, scaffold, or similar support

Element or attachment

Patent

active

D03718549

REFERENCES:
patent: 190342 (1877-05-01), Lake
patent: D304376 (1989-10-01), Robertson
patent: 1196419 (1916-08-01), Banyovits
patent: 1301734 (1919-04-01), Patterson
patent: 1816702 (1931-07-01), Small
patent: 1859984 (1932-05-01), Reese
patent: 2223980 (1940-12-01), Zent
patent: 2887261 (1959-05-01), McGuire
patent: 3075612 (1963-01-01), Gould
patent: 3307654 (1967-03-01), Green et al.
patent: 3315762 (1967-04-01), Torrey
patent: 3385399 (1968-05-01), Burt
patent: 3696888 (1972-10-01), Brandenberger
patent: 3727724 (1973-04-01), Gilbert et al.
patent: 3834492 (1974-09-01), Ronk
patent: 3858683 (1975-01-01), Rachocki
patent: 3907064 (1975-09-01), Svalberg et al.
patent: 3946834 (1976-03-01), Shafer et al.
patent: 4143741 (1979-03-01), Souza et al.
patent: 4157130 (1979-06-01), Aberer
patent: 4243121 (1981-01-01), Kiss et al.
patent: 4434871 (1984-03-01), Niedworok
patent: 4531612 (1985-07-01), Sandor
patent: 4655318 (1987-04-01), Bowen
patent: 4709783 (1987-12-01), Tomioka et al.
patent: 4778032 (1988-10-01), Takahashi
patent: 4867275 (1989-09-01), Islava et al.
patent: 4869342 (1989-09-01), Borst
MLM Machine and Metal Products, RES-Q-LADDER Merchandising Ideas, undated, 1 page.
MLM Machine and Metal Products, RES-Q-LADDER Merchandising brochure, undated, 2 pages.
MLM Machine and Metal Products, RES-Q-LADDER Advertising brochure, undated, 4 pages.
MLM Machine and Metal Products, Comparison of 2-Story Fire Escape Ladders, presumed published in or about 1993, 1 page.
MLM Machine and Metal Products, RES-Q-LADDER Price List, dated Dec., 1993, 1 page.
Consomer Reports Article entitled "Fire-Escape Ladders: Making a fast exit easy", Oct. 1991, 1 page.
Ameican LaFance Advertizing brochure, undated--4 pages.
Dail Safety Ladder Corporation pricing sheet, undated, presumed published prior to Jan. 1, 1993, 1 page.
All-Safe Inc. Fire Escape Ladder Manual, undated, 4 pages.

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