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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Edward E. Durrant — 2 Patents in 2021

HRHarris Research: 1 patents #1 of 7Top 15%
VSVentana Medical Systems: 1 patents #52 of 143Top 40%
Tucson, AZ: #148 of 753 inventorsTop 20%
Arizona: #672 of 4,087 inventorsTop 20%
Overall (2021): #165,072 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10976223 Methods and compositions for removing or reducing formation of precipitates generated in hematoxylin solutions Henning Groll, Casey A. Kernag, Charles H. Weidner, Kenneth S. Weir 2021-04-13
10888209 Vacuum pathway in a cleaning device Dale S. Jensen, Craig L. Donaldson, Roger C. Andersen, Monte G. Taylor 2021-01-12