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USPTO Patent Rankings Data through Dec 31, 2025
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National Cathode — 6 Patents

Rank (All Time): #86,683 of 105,732Top 85%
1 inventors
6 Patents All Time

Patents per Year

Patents granted per year, 1994 to 2001Bar chart with a peak of 2 patents in 1995.peak 21994: 1 patents19941995: 2 patents19951997: 1 patents19972000: 1 patents20002001: 1 patents2001

Top Inventors at National Cathode All Time

Showing 1–1 of 1 inventors

RankNamePatents
1 Jim Evanisko 6

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