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USPTO Patent Rankings Data through Dec 31, 2025
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Perftech — 4 Patents in 2019

Rank (2019): #8,694 of 32,247Top 30%
6 inventors
4 Patents 2019

Top Inventors at Perftech 2019

Showing 1–6 of 6 inventors

RankNamePatents
1 Henry M. Donzis 4
1 John A. Murphy 4
1 Jonathan E. Schmidt 4
1 Lewis T. Donzis 4
#5 Rodney D. Frey 3
#6 Peter W. Baron 1