DM

Donald C. Montgomery

📍 Sebastopol, CA: #96 of 246 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,219,869 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6478178 Fermentation lock for wine barrel — 2002-11-12
5702018 Positive seal fermentation lock for wine barrels — 1997-12-30