LP

Lisbeth T. Pfeiffer

SE Stone & Webster Engineering: 1 patents #33 of 74Top 45%
📍 Richfield, MN: #163 of 268 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,955,329 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4756886 Rough cut solids separator Robert W. Pfeiffer 1988-07-12