Gravity thermal dilator
United States Patent 2026747

Inventors:
Nemzek, William P. B.
Publication Date:
01/07/1936
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Assignee:
Nemzek, William P. B.
Primary Class:
606/193
Other Classes:
607/105, 165/46, 606/119, 604/920, 604/913
International Classes:
A61M25/10; A61M29/02; A61B19/00