Inventor · disambiguated record

David A. Harper

Also filed as: HARPER DAVID A

3 granted patents·3 citations·filing 2012–2015

56Inventor score

Technology areasG09F

Files with3M INNOVATIVE PROPERTIES CO3

Top patents by PatentIndex Score

3 records

0174US9070312B2Hybrid self illuminated and actively back lit signage for printed graphics3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Jun 30, 2015·2 cites·5 claims
0263US8919969B2On-product projection for digital merchandizing3M INNOVATIVE PROPERTIES CO·Filed 2012·Granted Dec 30, 2014·1 cites·17 claims
0353US9208704B2Hybrid self illuminated and actively back lit signage for printed graphics3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Dec 8, 2015·0 cites·6 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →