Inventor · disambiguated record
Richard A. Hansen
Also filed as: HANSEN RICHARD A · HANSEN RICHARD ARVID
2 granted patents·1 pending application·110 citations·filing 2001–2012
60Inventor score
Top patents by PatentIndex Score
3 records- 0184US6478422B1Single bifocal custom shooters glassesHANSEN RICHARD A·Filed 2001·Granted Nov 12, 2002·110 cites·1 claims
- 0238US8178596B2Polyacrylamide delivery productROOS RICHARD C·Filed 2006·Granted May 15, 2012·0 cites·22 claims
- 0338US2012321228A1Polyacrylamide delivery productROOS RICHARD C·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →