Title:
Leveling means for aluminum siding panel
United States Patent 3376683

Inventors:
George, Epstein
Publication Date:
04/09/1968
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Assignee:
ALSIDE INC
Primary Class:
52/553
Other Classes:
52/681, 52/99, 52/678, 52/521, D25/139, 52/531
International Classes:
E04F13/08; E04F13/12
US Patent References:
3001332Ventilating devices for hollow building walls
3157003Sheet metal siding
3246436Siding and roofing panel
3299766Sealing element for fastener devices
Foreign References:
DE648772C