PREFABRICATED FLOOR
United States Patent 3501879

Inventors:
Mitchell, Graham George
Roach, Ronald John
Publication Date:
03/24/1970
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Assignee:
GRAMALL IND PROPRIETARY LTD
Primary Class:
52/198
Other Classes:
52/302.100, 4/612
International Classes:
A47K3/40; A47K3/28; A47K3/08; E04B1/70
US Patent References:
3380205Foundations for trailer type homes
3382635Sectional bath compartment




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