Plank support bracket
United States Patent 3223370
US Patent References:
Ladder attachment
- - 1462086

Foot support for ladders
- - 1735003

Scaffolding support
- - 1886921

Screen ladder jack
- - 2015378

Detachable shelf for ladders
- - 2308180


Inventors:
Pignon, Harold V.
Publication Date:
12/14/1965
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Assignee:
Pignon, Harold V.
Primary Class:
248/214
Other Classes:
182/186.900, 248/235, 182/130
International Classes:
E04G1/15; E04G5/06; E04G1/00; E04G5/00
US Patent References:
2706662Detachable staging stanchions
2719691Adjustable rear view mirror assembly for vehicles
2775490Scaffold board splicer