Title:
BACK SUPPORTS
Document Type and Number:
United States Patent 3542421
Inventors:
Ambrose, Henry
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Publication Date:
11/24/1970
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Referenced by:
Export Citation:
Assignee:
Henry, Ambrose
Primary Class:
Other Classes:
297/284.100
International Classes:
A47C7/42; A47C7/46; B60N2/48; B60N2/60; B60N2/70; A47C7/40; B60N2/58; A47C7/02