HP

Harold T. Pontius

CI Columbus Industries: 2 patents #12 of 21Top 60%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,336,201 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4737174 Multi-media filter frame construction — 1988-04-12
4504290 Odor filter media — 1985-03-12