JJ

John Jarchow

PI Pilot Industries: 1 patents #18 of 44Top 45%
Overall (All Time): #3,680,501 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5736015 Electrical discharge machining apparatus Charles J. Armentrout, Lesley A. Calvert, Lawrence Davies, Michael Pulka, Jon Thomson 1998-04-07