RH

Richard A. Hansen

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Meadow Vista, CA: #14 of 34 inventorsTop 45%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,090,516 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8178596 Polyacrylamide delivery product Richard C. Roos 2012-05-15
6478422 Single bifocal custom shooters glasses — 2002-11-12