RP

Randall Avery Putnam

Overall (All Time): #2,420,963 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12320089 Reinforced manhole cover gasket William Eugene Putnam, David Alan Putnam, Mark A. Weih, Guido Quesada 2025-06-03