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USPTO Patent Rankings Data through Dec 31, 2025
QU

Quadrix — 6 Patents

Rank (All Time): #87,514 of 105,732Top 85%
6 inventors
6 Patents All Time

Patents per Year

Patents granted per year, 1981 to 1996Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811984: 1 patents19841985: 1 patents19851989: 1 patents19891990: 1 patents19901996: 1 patents1996

Top Inventors at Quadrix All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 John F. Bruder 5
2 Sam L. Rainwater 3
3 Harold L. Ergott, Jr. 1
3 John D. Nelson 1
3 Ronald G. Frey 1
3 Robert E. Peters 1

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