RS

Robert J. Schmitz

📍 Rosemount, MN: #98 of 204 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,318,023 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5035336 Compact collapsible manhole cover lifter Dean R. Quam 1991-07-30
4789072 Hydraulic manhole cover lifter Dean R. Quam 1988-12-06