Knockdown sawhorse
United States Patent 2829927
US Patent References:
Scaffold
- - 1359452

Collapsible trestle
- - 1685283


Inventors:
Ray, Sword Carl
Publication Date:
04/08/1958
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Assignee:
Lew, Haile J.
Primary Class:
182/186.300
Other Classes:
182/186.500, D25/67
International Classes:
B25H1/06; B25H1/00