RH

Robert Daniel Hilty

📍 Walpole, MA: #2 of 6 inventorsTop 35%
🗺 Massachusetts: #329 of 1,827 inventorsTop 20%
Overall (1982): #34,644 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4363366 Screened hollow stem auger for use in well drilling and testing process — 1982-12-14