JF

John J. Frese

DF Delaware Capital Formation: 2 patents #143 of 626Top 25%
DR Dover Resources: 1 patents #2 of 8Top 25%
Overall (All Time): #1,615,689 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6497246 Pneumatic snap pilot Ivy J. Nicewarner, James N. Reed 2002-12-24
6378842 V-ball control valve James N. Reed 2002-04-30
4700738 Liquid level controller Quin D. Kroll 1987-10-20