Portable floor construction
United States Patent 2570234
US Patent References:
/0668827.html
- - 0668827

/0788366.html
- - 0788366

Portable floor
- - 1546130

Stair structure
- - 2377994


Inventors:
Harris, Philip W.
Publication Date:
10/09/1951
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Assignee:
Harris, Philip W.
Primary Class:
52/483.100
Other Classes:
206/321
International Classes:
E04F15/04
Foreign References:
GB150866A