Antiskid device for ladders
United States Patent 3213963

Inventors:
Ansgar, Vogt
Publication Date:
10/26/1965
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Assignee:
Ansgar, Vogt
Primary Class:
182/111
Other Classes:
248/188.900
International Classes:
E06C7/46; E06C7/00
US Patent References:
2666608Supporting apparatus
2749160Steel backed rubber bushings
3060538Fastening device
Foreign References:
GB188804073A