Inventor · disambiguated record
Daniel Ray Downen
Also filed as: DOWNEN DANIEL RAY
3 granted patents·6 citations·filing 2017–2020
56Inventor score
Files withMAINTAIN YOUR EDGE LLC3
Top patents by PatentIndex Score
3 records- 0181US10384329B2Skate blade sharpener with indexing stoneMAINTAIN YOUR EDGE LLC·Filed 2017·Granted Aug 20, 2019·6 cites·8 claims
- 0255US11478900B2Skate blade sharpener with indexing stoneMAINTAIN YOUR EDGE LLC·Filed 2019·Granted Oct 25, 2022·0 cites·10 claims
- 0350US11660727B2Handheld skate blade sharpenerMAINTAIN YOUR EDGE LLC·Filed 2020·Granted May 30, 2023·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →