Independent study center construction
United States Patent 3160451
US Patent References:
/0160227.html
- - 0160227

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- - 0181449

/0329992.html
- - 0329992

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- - 0347278

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Inventors:
Lewis, Robert B.
Publication Date:
12/08/1964
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Assignee:
Lewis, Robert B.
Primary Class:
312/196
Other Classes:
312/239, 312/202, 312/305, 312/285, 211/144, 434/432
International Classes:
A47B41/00; A47B49/00
US Patent References:
0571717
0653539
0753153
1143416
2633398Efficiency desk
2680665Button display cabinet
2888306Desk with rotary chart magazine
2970874Equipment units
3056506Rotary record equipment
Foreign References:
GB191301581A