RB

Robert Graham Bartlett

📍 Leyden, MA: #1 of 1 inventorsTop 100%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,742,609 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5516230 Gate for controlling upstream water level Richard J. Bargeron 1996-05-14