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USPTO Patent Rankings Data through Dec 31, 2025
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Perftech — 5 Patents in 2017

Rank (2017): #5,849 of 29,883Top 20%
8 inventors
5 Patents 2017

Top Inventors at Perftech 2017

Showing 1–8 of 8 inventors

RankNamePatents
1 Henry M. Donzis 5
1 John A. Murphy 5
1 Lewis T. Donzis 5
1 Peter W. Baron 5
#5 Jonathan E. Schmidt 3
#6 Rodney D. Frey 2
#7 Johathan Elliott Schmidt 1
#7 Lee Carl Ziegenhals 1