CH

Catherine E. Helten

📍 Pasco, WA: #87 of 159 inventorsTop 55%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,896,234 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4901870 Spacer for support of cylindrical rolls Tim E. Wright 1990-02-20