RI

Russel Darmour, II

CH Childers: 1 patents #4 of 5Top 80%
📍 Portland, OR: #6,022 of 9,213 inventorsTop 70%
🗺 Oregon: #17,068 of 28,073 inventorsTop 65%
Overall (All Time): #3,960,296 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4775353 Spiral coin-queueing head for high-speed coin-sorting and counting apparatus Roger K. Childers, Kenneth Buchanan 1988-10-04