Inventor · disambiguated record
John Karr
Also filed as: KARR JOHN
3 granted patents·1 pending application·5 citations·filing 2018–2022
58Inventor score
Top patents by PatentIndex Score
4 records- 0183US11576817B1Selective information provision and indoor navigation assistance for the visually impairedAMERICAN PRINTING HOUSE FOR THE BLIND INC·Filed 2022·Granted Feb 14, 2023·2 cites·14 claims
- 0274US11318050B2Navigation assistance for the visually impairedAMERICAN PRINTING HOUSE FOR THE BLIND INC·Filed 2019·Granted May 3, 2022·3 cites·19 claims
- 0356US10870951B2Protective foam layer for activity surfacesTURF CUSHION INC·Filed 2018·Granted Dec 22, 2020·0 cites·16 claims
- 0437US2021354019A1Multi-layer underlayment pad for use under sporting surfacesTURF CUSHION INC·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →