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Companies
Inventors
NP
Nicolas Pearson
OS
Osram Sylvania
: 1 patents #499 of 820
Top 65%
Overall (All Time):
#3,504,474
of 4,157,543
Top 85%
1
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Patent #
Title
Co-Inventors
Date
6528953
Amalgam retainer
Joseph V. Lima
,
David Wentzel
2003-03-04
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