CH

Collin C. Hall

IT International Telephone And Telegraph: 1 patents #182 of 507Top 40%
📍 Oregon City, OR: #126 of 258 inventorsTop 50%
🗺 Oregon: #17,068 of 28,073 inventorsTop 65%
Overall (All Time): #4,111,224 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4201365 Lined gate valve having improved seat George J. Paptzun, Benjamin B. Bullwinkle 1980-05-06