Eric D. Risley — 3 Patents at Phoenix

Eric D. Risley has been granted 3 US patents while listed as an inventor at Phoenix. The first was granted in 2017 and the most recent in March 2021. Eric D. Risley ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Eric D. Risley in Middleton, WI, US.

Issued Patents All Time

Showing 1–3 of 3 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
10297412	High reliability, long lifetime, negative ion source	Joseph D. Sherman, Evan Sengbusch, Ross Radel, Arne Kobernik, Tye Gribb +6 more	2019-05-21
9847205	High reliability, long lifetime, negative ion source	Joseph D. Sherman, Evan Sengbusch, Ross Radel, Arne Kobernik, Tye Gribb +6 more	2017-12-19

Eric D. Risley — 3 Patents

Issued Patents All Time

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