Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Carter Duncan — 6 Patents

Rank (All Time): #84,949 of 105,732Top 85%
5 inventors
6 Patents All Time

Patents per Year

Patents granted per year, 1987 to 2009Bar chart with a peak of 2 patents in 1987.peak 21987: 2 patents19871994: 1 patents19941995: 1 patents19951996: 1 patents19962009: 1 patents2009

Top Inventors at Carter Duncan All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 Kevin Beller 4
2 Bruce Laurence Kennedy 2
3 James A. Stryker 1
3 Joseph Beller 1
3 Roger A. Modjeski 1