Form and posture corrective chair
United States Patent 2482996
US Patent References:
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Inventors:
Wisby, Robert E.
Publication Date:
09/27/1949
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Assignee:
Wisby, Robert E.
Primary Class:
Other Classes:
297/452.300, 297/467, 297/452.250, 297/296
International Classes:
A47C7/02
US Patent References:
1976326Vehicle seat construction
2139028Seat