JE

John Engwer

📍 Wrentham, MA: #84 of 165 inventorsTop 55%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,182,139 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6921484 Compost berm — 2005-07-26
6824681 Compost berm — 2004-11-30