Folding door apparatus
United States Patent 3191214
US Patent References:
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- - 2842795

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- - 2860701

Sliding doors
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Inventors:
Protzman, John M.
Publication Date:
06/29/1965
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Assignee:
EVER ROLL MFG CORP
Primary Class:
16/87R
Other Classes:
160/206, 16/96R, 160/185
International Classes:
E05D7/00; E05D15/26
US Patent References:
2943675Door
3054447Folding door hardware
3078502Pivot assembly for doors