Mouth saver
United States Patent 2809632
US Patent References:
/0735767.html
- - 0735767

/1137393.html
- - 1137393

/1157565.html
- - 1157565


Inventors:
Von, Sosdy Ivan
Publication Date:
10/15/1957
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Assignee:
Mary, Szacsvay
Calvin, Prem W.
Primary Class:
607/92
Other Classes:
359/350, 607/95, 359/885
International Classes:
A61B1/24; A61N5/06; A61N5/08
Foreign References:
GB208488A