OH

Owen M. Halstad

📍 Pasadena, MD: #101 of 201 inventorsTop 55%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #4,102,854 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4307476 Device for preventing clogging of main sewer lines — 1981-12-29