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Preston Barrows — 1 Patent in 2021

PHPhoenix: 1 patents #5 of 18Top 30%

Madison, WI: #168 of 630 inventorsTop 30%

Wisconsin: #1,578 of 4,723 inventorsTop 35%

Overall (2021): #299,496 of 548,734Top 55%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10950409	High reliability, long lifetime, negative ion source	Joseph D. Sherman, Evan Sengbusch, Ross Radel, Arne Kobernik, Tye Gribb +6 more	2021-03-16