Title:
Mouthpiece assembly for dental suction evacuators
United States Patent 2873528


Inventors:
Thompson, Elbert O.
Application Number:
US61077456A
Publication Date:
02/17/1959
Filing Date:
09/19/1956
Assignee:
Thompson, Elbert O.
Primary Class:
International Classes:
A61C17/08
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US Patent References:
2672143Spraying device1954-03-16