Belt
United States Patent 3314421
US Patent References:
/1072804.html
- - 1072804

Eccentric truss
- - 2029557

Truss
- - 2239616

Truss
- - 2281409


Inventors:
Wingard, Henry S.
Publication Date:
04/18/1967
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Assignee:
Wingard, Henry S.
Primary Class:
128/102.100
Other Classes:
2/311
International Classes:
A41F9/00