RF

Ronald George Friend

AL Anderson, Greenwood Lp: 1 patents #7 of 16Top 45%
CG Crosby Valve & Gage: 1 patents #4 of 6Top 70%
📍 Franklin, MA: #211 of 420 inventorsTop 55%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,230,178 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6283138 Pressure relief valve monitoring device Michael A. Jones 2001-09-04
4384590 Pressure responsive pilot valve — 1983-05-24