Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Pcf Group — 6 Patents

Rank (All Time): #87,726 of 106,120Top 85%
2 inventors
6 Patents All Time

Top Inventors at Pcf Group All Time

Showing 1–2 of 2 inventors

RankNamePatents
1 Charles M. McDonough 6
2 Gerald Chapins 1