Title:
Dental appliance
United States Patent 2522261
US Patent References:
/0525816.html
- - 0525816

/0810611.html
- - 0810611

/0950109.html
- - 0950109

Dental apparatus
- - 2098732

Saliva ejector
- - 2161151


Inventors:
Hyman, Freedman
Publication Date:
09/12/1950
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Assignee:
Hyman, Freedman
Primary Class:
433/29
Other Classes:
433/95
International Classes:
A61C17/06; A61C17/08
US Patent References:
2253143Dental aspirator
2255657Dental apparatus
2274893Dental apparatus
2393319Surgical instrument
Foreign References:
FR575814A