Title:
Friction device for plungers of syringes and similar articles
United States Patent 1496654
Inventors:
Crowther, Edmond C.
Application Number:
US35406320A
Publication Date:
06/03/1924
Filing Date:
01/26/1920
Assignee:
A P DE SANNO & SON INC
Primary Class:
International Classes:
A61M5/315
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