Title:
Toilet bowl and bathroom ventilating system
United States Patent 3120006
US Patent References:
Closet
- - 1972774

Toilet ventilator
- - 2112772

Lavatory device
- - 2190068

Toilet ventilator
- - 2320065

Deodorizer
- - 2329221


Inventors:
Siegfried, Knappe
Publication Date:
02/04/1964
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Assignee:
Siegfried, Knappe
Primary Class:
4/213
Other Classes:
200/52R
International Classes:
E03D9/052; E03D11/06; E03D9/04; E03D11/02
US Patent References:
2677830Ventilating means for toilet bowls