DH

Donald F. Helenthal

📍 Satellite Beach, FL: #118 of 208 inventorsTop 60%
🗺 Florida: #33,682 of 67,251 inventorsTop 55%
Overall (All Time): #4,085,335 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4255246 Electrolytic cell for chlorine production David Wayne Davis 1981-03-10