Suction evacuated urinal
United States Patent 2968046
US Patent References:
/0190244.html
- - 0190244
/0297119.html
- - 0297119
/0920459.html
- - 0920459
/1661002.html
- - 1661002
Aspirator
- - 1893724
/0190244.html
- - 0190244
/0297119.html
- - 0297119
/0920459.html
- - 0920459
/1661002.html
- - 1661002
Aspirator
- - 1893724
Inventors:
Duke, William A.
Publication Date:
01/17/1961
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Assignee:
Duke, William A.
Primary Class:
Other Classes:
604/149, 604/73
International Classes:
A61F5/455; A61G9/00; A61F5/451
Foreign References:
| DE207859C | ||||
| GB608448A |