CD

Charles D. Dern

HP Hull Partners: 1 patents #1 of 2Top 50%
📍 Doylestown, PA: #17 of 74 inventorsTop 25%
🗺 Pennsylvania: #948 of 4,234 inventorsTop 25%
Overall (1994): #150,383 of 165,921Top 95%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5330157 Rotary disk valve David Losan Ho 1994-07-19