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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
QB

Quality Biological — 7 Patents

Rank (All Time): #75,334 of 105,732Top 75%
3 inventors
7 Patents All Time

Patents per Year

Patents granted per year, 1994 to 2002Bar chart with a peak of 2 patents in 1994.peak 21994: 2 patents19941995: 1 patents19951998: 1 patents19981999: 1 patents19992001: 1 patents20012002: 1 patents2002

Top Inventors at Quality Biological All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 Ronald L. Brown 6
2 Gretchen N. Schwartz 2
3 Sandra K. Dusing 1