Title:
Door for attenuating sound
United States Patent 3051260
US Patent References:
Threshold stop
- - 1963819

Sound insulating construction
- - 2078207

Sound insulating structure
- - 2079878

Acoustical treatment of walls
- - 2111326

Panel
- - 2178729


Inventors:
Eckel, Oliver C.
Publication Date:
08/28/1962
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Assignee:
Eckel, Oliver C.
Primary Class:
181/287
Other Classes:
49/401, 49/484.100, 49/493.100
International Classes:
E06B5/20; E06B5/00
US Patent References:
2240014Sound deadener
2350513Sound barrier wall or door construction
2556884Sound-absorbing surface covering material
2880471Sound insulating structures
Foreign References:
GB574466A