PB

Preston Barrows

PH Phoenix: 1 patents #1 of 12Top 9%
Overall (2017): #277,398 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9847205 High reliability, long lifetime, negative ion source Joseph D. Sherman, Evan Sengbusch, Ross Radel, Arne Kobernik, Tye Gribb +6 more 2017-12-19