Title:
Automatic door
United States Patent 3092170
US Patent References:
/0558577.html
- - 0558577
/0889910.html
- - 0889910
Coiling door
- - 1621717
Chain portiere
- - 1835644
Projecting system for wooden or metallic coiling curtains of any model
- - 2323612
/0558577.html
- - 0558577
/0889910.html
- - 0889910
Coiling door
- - 1621717
Chain portiere
- - 1835644
Projecting system for wooden or metallic coiling curtains of any model
- - 2323612
Inventors:
Ellis, William L.
Publication Date:
06/04/1963
View Patent Images:
Export Citation:
Assignee:
Ellis, William L.
Primary Class:
Other Classes:
160/323.100, 160/232, 160/195, 160/133, 160/264, 160/309
International Classes:
E05F15/12; E06B9/08
US Patent References:
| 2726911 | Roll top extension table |
Foreign References:
| IT483163B |