Operating mechanism for artificial hands
United States Patent 1338155

Inventors:
Alexander, Pringle
Sinclair, Kirk Thomas
Publication Date:
04/27/1920
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Assignee:
Alexander, Pringle
Sinclair, Kirk Thomas
Primary Class:
623/63
Other Classes:
623/61, 623/59
International Classes:
A61F2/58; A61F2/50