Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Fernco — 8 Patents

Rank (All Time): #64,843 of 106,120Top 65%
3 inventors
8 Patents All Time

Top Inventors at Fernco All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 Anthony John Dipzinski 7
1 Donald James DeWitt 7
3 Charles R. Adorjan 1