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USPTO Patent Rankings Data through Dec 31, 2025
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Quadrex Hps — 10 Patents

Rank (All Time): #56,354 of 106,120Top 55%
5 inventors
10 Patents All Time

Top Inventors at Quadrex Hps All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 David E. Fowler 9
2 Charles R. Witt 1
2 David C. Grant 1
2 Joseph A. Capella 1
2 Eugene T. McIlvaine 1