Title:
Closet bowl ventilator
United States Patent 2777137
US Patent References:
/1236184.html
- - 1236184

Housing for pipe connections
- - 1629693

Water closet combination
- - 2108625

Ventilated closet bowl
- - 2351560

Toilet ventilating means
- - 2451108


Inventors:
Mcfadden, John P.
Publication Date:
01/15/1957
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Assignee:
Mcfadden, John P.
Primary Class:
4/213
International Classes:
E03D9/052; E03D9/04
US Patent References:
2575905Waste flow control
2590471Close-coupled water closet