RE

Roald N. Engebreth

📍 Sonoma, CA: #91 of 174 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,115,176 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4211115 Device for protecting wine against excessive exposure to air — 1980-07-08