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Companies
Inventors
WL
Walter Lempach
BD
Black & Decker
: 1 patents #1,429 of 2,138
Top 70%
PA
Plansee Tizit Aktiengesellschaft
: 1 patents #7 of 21
Top 35%
Overall (All Time):
#3,606,073
of 4,157,543
Top 90%
1
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Patent #
Title
Co-Inventors
Date
6021857
Drill bit
Rudi Birk
,
Werner Ferstl
,
Ronald Huber
2000-02-08
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