DS

Douglas Sweet

TE The Nash Engineering: 2 patents #10 of 27Top 40%
🗺 Alabama: #3,421 of 10,951 inventorsTop 35%
Overall (All Time): #2,253,363 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5961295 Mixed flow liquid ring pumps Harold K. Haavik 1999-10-05
5147508 Suction box covers for cleaning papermaking machine felts 1992-09-15