Ladder tray attachment

Details Ladder tray attachment Ladder tray attachment

1989-11-28

1992-02-25

Word, A. Hugo

Building units and construction elements

Stair, ladder, scaffold, or similar support

Element or attachment

Patent

active

D03242722

REFERENCES:
patent: 3223369 (1965-12-01), Benninger, Jr.
patent: 3784139 (1974-01-01), Ellis
patent: 3822846 (1974-07-01), Jesionowski
patent: 3940824 (1976-03-01), Gioia et al.
patent: 4099693 (1978-07-01), Blann
patent: 4186903 (1980-02-01), Fazakerley
patent: 4445659 (1984-05-01), La Chance
patent: 4523733 (1985-06-01), Lunden, Jr.
patent: 4534528 (1985-08-01), Koussear
patent: 4702446 (1987-10-01), Brown
patent: 4703833 (1987-11-01), Bachman

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