Vacuum attachment for dental aspirator unit
United States Patent 3138873
US Patent References:
Evacuative suction apparatus
- - 2784717

Dental instrument assembly
- - 2809429

Power-operated dental aspirator
- - 2821021


Inventors:
Bishop, Harold P.
Publication Date:
06/30/1964
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Assignee:
Bishop, Harold P.
Primary Class:
433/92
International Classes:
A61C17/06; A61C17/14