Title:
Facial machine
United States Patent 2267547

Inventors:
Zimmerman, Charles E.
Publication Date:
12/23/1941
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Assignee:
Zimmerman, Charles E.
Primary Class:
604/23
Other Classes:
392/395, 604/303, 392/385, 604/291
International Classes:
A61H33/12; A61H33/06