Injection instrument
United States Patent 2117469

Inventors:
Woodyatt, Rollin T.
Publication Date:
05/17/1938
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Assignee:
Woodyatt, Rollin T.
Primary Class:
604/197
Other Classes:
206/365, 604/199, 422/300, 206/210
International Classes:
A61M5/00; A61M5/32