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Title:
BACK SUPPORTS
Document Type and Number:
United States Patent 3542421
Inventors:
Ambrose, Henry
Plaque It!
Sponsored by:
Flash of Genius
Publication Date:
11/24/1970
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Referenced by:
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Assignee:
Henry, Ambrose
Primary Class:
297/230.120
Other Classes:
297/284.100
International Classes:
A47C7/42
;
A47C7/46
;
B60N2/48
;
B60N2/60
;
B60N2/70
;
A47C7/40
;
B60N2/58
; A47C7/02
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