RP

Roy K. Pierce

DR Dresser-Rand: 2 patents #67 of 306Top 25%
📍 Alfred Station, NY: #14 of 29 inventorsTop 50%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,196,163 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6817594 Grooved valve seat with inlay — 2004-11-16
6666433 Grooved valve seat with inlay — 2003-12-23