RD

Robert E. Doyle

📍 Marblehead, MA: #17 of 56 inventorsTop 35%
🗺 Massachusetts: #5,137 of 14,474 inventorsTop 40%
Overall (2020): #298,931 of 565,922Top 55%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10875744 Passenger elevator air purification system — 2020-12-29