Title:
Trestle or horse
Document Type and Number:
United States Patent 2216187
Inventors:
Hector, Dion
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Publication Date:
10/01/1940
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Referenced by:
Export Citation:
Assignee:
Hector, Dion
Primary Class:
Other Classes:
248/188.600
International Classes:
E04G1/34; E04G1/00