Upwardly acting doors and roller spindle supports therefor
United States Patent 2980182
US Patent References:
Vertically movable hinged panel door
- - 1857756


Inventors:
Stroup, Earl L.
Publication Date:
04/18/1961
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Assignee:
OVERHEAD DOOR CORP
Primary Class:
160/201
Other Classes:
16/97
International Classes:
E05D15/16; E05D15/24
Foreign References:
FR1146884A