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Companies
Inventors
KK
Karl Kerstein
AE
Alpine Electronics
: 1 patents #279 of 637
Top 45%
Overall (All Time):
#3,108,119
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Top 75%
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Patent #
Title
Co-Inventors
Date
D705756
Loudspeaker diaphragm
Chris Teguh
,
Melvin Diaz
2014-05-27
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