Title:
Floor drain
United States Patent 3406829


Inventors:
Vande, Bosche John P.
Application Number:
US67698267A
Publication Date:
10/22/1968
Filing Date:
10/20/1967
Assignee:
HOFFMAN SPECIALTY MFG CORP
Primary Class:
International Classes:
E03F5/04
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US Patent References:
2777532Surface drains1957-01-15
2501971Floor drain1950-03-28
2328315Surface drain1943-08-31
2182795Surface drain1939-12-12
1792345Adjustable floor drain1931-02-10