Title:
Overhead flexible door
United States Patent 2831537
US Patent References:
Folding door and shutter
- - 1408076
Hinge
- - 1841898
Flexible screen
- - 2116847
Articulated grain car door
- - 2549301
Folding door and shutter
- - 1408076
Hinge
- - 1841898
Flexible screen
- - 2116847
Articulated grain car door
- - 2549301
Inventors:
Ritter, Adolph P.
Publication Date:
04/22/1958
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Export Citation:
Assignee:
Ritter, Adolph P.
Primary Class:
Other Classes:
160/229.100
International Classes:
E05D15/16; E05D15/24; E06B3/48; E05D3/06; E06B3/32; E05D3/00
Foreign References:
| FR567822A | ||||
| CA505101A |