RS

Robert L. Shapiro

📍 Portland, OR: #4,612 of 9,213 inventorsTop 55%
🗺 Oregon: #12,654 of 28,073 inventorsTop 50%
Overall (All Time): #2,064,488 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8353159 Combustion engine with heat recovery system — 2013-01-15
6230286 Computer system failure reporting mechanism Paul A. Dorwin 2001-05-08