Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RI

Richard D. Ipsen — 2 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
Plymouth, MN: #766 of 1,545 inventorsTop 50%
Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,285,666 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D364531 Ice shaver apparatus body John M. Berner, Richard H. Jacobs, Thomas J. Novetzke, Paulette M. Magnuson, Steve J. Wrobel 1995-11-28
5402949 Ice shaving apparatus Johm M. Berner, Steve J. Wrobel, Thomas J. Novetzke 1995-04-04