RK

Ralph L. Kreps

📍 Hanoverton, OH: #5 of 7 inventorsTop 75%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,071,677 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4335850 Hot water heating system — 1982-06-22