RR

Richard R. Robidoux

📍 Kennett Square, PA: #7 of 39 inventorsTop 20%
🗺 Pennsylvania: #1,174 of 7,891 inventorsTop 15%
Overall (2019): #127,878 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10472703 Metal alloy for coin production Tsineng Tony Ying, Uvon Tolbert 2019-11-12
10166741 Silicon steel composite for low denomination coin Tsineng Tony Ying 2019-01-01