Acoustics – Sound-modifying means – Sound absorbing panels
Reexamination Certificate
2008-07-15
2008-07-15
Donovan, Lincoln (Department: 2837)
Acoustics
Sound-modifying means
Sound absorbing panels
C181S284000, C181S290000, C181S294000, C052S144000, C052S145000, C052S235000
Reexamination Certificate
active
07398856
ABSTRACT:
The present invention provides an acoustical firewall attenuating assembly. The assembly includes a first frame assembly having a first plate, a second plate and a first plurality of elongate members spaced from one another and extending between the first plate and the second plate. A structure is spaced from the first frame assembly and has an outer surface. A cement wall is positioned between the first frame and the structure and is attached to at least the first frame assembly by a first vibration dampener.
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Foster Matthew
Schwab Frank
Donovan Lincoln
Fuchs Joseph A.
Luks Jeremy
Rockey Depke & Lyons, LLC
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