Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate
2011-04-05
2011-04-05
San Martin, Edgardo (Department: 2832)
Acoustics
Sound-modifying means
Muffler, fluid conducting type
C181S217000, C181S210000, C181S203000, C181S265000, C244S11400R
Reexamination Certificate
active
07918310
ABSTRACT:
A noise attenuation device for testing a jet engine.
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Fann Steven
Helgeson Norman L.
Blackburn Christopher L.
Kalmbaugh David S.
Martin Edgardo San
The United States of America as represented by the Secretary of
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