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USPTO Patent Rankings Data through Dec 31, 2025
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Drum Workshop — 8 Patents in 2016

Rank (2016): #4,010 of 28,420Top 15%
10 inventors
8 Patents 2016

Top Inventors at Drum Workshop 2016

Showing 1–10 of 10 inventors

RankNamePatents
1 Andrzej Krol 4
2 Sergio G. Bonsignore 3
2 Victor Filonovich 3
#4 Ray Enhoffer 2
#4 Richard A. Sikra 2
#4 Richard Simons 2
#7 Chatchai Chandontrikit 1
#7 Jeff Sallee 1
#7 John J. Good 1
#7 Mark A. Schnose 1