WOODEN DUAL PANEL SOUND INSULATING STRUCTURES
United States Patent 3462899
US Patent References:
Sound insulating structures
- - 2880471


Inventors:
Sherman, Philip E.
Publication Date:
08/26/1969
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Assignee:
Philip, Sherman E.
Primary Class:
52/309.600
Other Classes:
52/204.593, 52/403.100, 52/509, 49/484.100, 181/290, 52/309.900, 52/794.100
International Classes:
E06B5/20; E06B5/00; E04B1/84




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