WP

William Eugene Putnam

Overall (All Time): #2,420,962 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

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