Title:
Stand
United States Patent 2557608


Inventors:
Mast, Gifford M.
Gannett, Wright K.
Application Number:
US4500448A
Publication Date:
06/19/1951
Filing Date:
08/19/1948
Assignee:
KEYSTONE VIEW COMPANY
Primary Class:
Other Classes:
248/160, 351/245
International Classes:
A61B3/18
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US Patent References: