JR

Joseph Rau

📍 North Grafton, MA: #1 of 2 inventorsTop 50%
🗺 Massachusetts: #329 of 1,827 inventorsTop 20%
Overall (1982): #51,685 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4348778 Emergency toilet water protection unit — 1982-09-14