DE

David J. Emmons

RE Recovery Engineering: 2 patents #1 of 9Top 15%
📍 Plymouth, MN: #8 of 99 inventorsTop 9%
🗺 Minnesota: #307 of 3,156 inventorsTop 10%
Overall (1997): #43,183 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D386041 Water purification pitcher John Tanner, Eric J. Mueller, Paul D. Rothstein, Alan Carlson, Shaohui Qiu 1997-11-11
D377388 Water purifier Jeffrey A. Weber 1997-01-14