Title:
Ventilator for water closets
United States Patent 2778033
US Patent References:
/0980471.html
- - 0980471
Closet-ventilator
- - 1342716
Automatic ventilating device for water-closets
- - 1362290
Carbon-recovery system and apparatus
- - 1702968
Forced ventilator for toilet bowls
- - 2126131
/0980471.html
- - 0980471
Closet-ventilator
- - 1342716
Automatic ventilating device for water-closets
- - 1362290
Carbon-recovery system and apparatus
- - 1702968
Forced ventilator for toilet bowls
- - 2126131
Inventors:
Majauskas, Charles J.
Publication Date:
01/22/1957
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Assignee:
Majauskas, Charles J.
Primary Class:
International Classes:
E03D1/30; E03D9/052; E03D9/04