RC

Ralph H. Clarke

📍 Eugene, OR: #422 of 1,137 inventorsTop 40%
🗺 Oregon: #12,654 of 28,073 inventorsTop 50%
Overall (All Time): #2,372,384 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4306891 Separator for precipitating particulate from an airflow Wesley J. Clarke, Steven L. Mays 1981-12-22
4202677 Filter bag with removable shaping members W. James Clarke, Steven L. Mays 1980-05-13