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Doctor's stool
United States Patent 2038806
Inventors:
Frederick, Sellar
Publication Date:
04/28/1936
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Download PDF 2038806
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Assignee:
Frederick, Sellar
Primary Class:
248/398
Other Classes:
248/407, 297/461, 248/161
International Classes:
A47C9/02
;
A47C9/00