Combination box spring and bed board
United States Patent 2992443

Inventors:
Harold, Winikoff
Publication Date:
07/18/1961
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Assignee:
ATLANTIC SPRING PRODUCTS CO
Primary Class:
5/248
Other Classes:
5/239
International Classes:
A47C23/043; A47C23/00
US Patent References:
2836836Contour mattress
Foreign References:
CA520982A