DH

David A. Harper

3M: 3 patents #4,214 of 11,543Top 40%
Overall (All Time): #1,520,622 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9208704 Hybrid self illuminated and actively back lit signage for printed graphics Erik A. Aho, Audrey A. Sherman, Michael A. Meis, Kevin R. Schaffer, Patrick Thomas +3 more 2015-12-08
9070312 Hybrid self illuminated and actively back lit signage for printed graphics Erik A. Aho, Audrey A. Sherman, Michael A. Meis, Kevin R. Schaffer, Patrick Thomas +3 more 2015-06-30
8919969 On-product projection for digital merchandizing Rolf W. Biernath, Matthew Robbins, Ellyar Y. Barazesh 2014-12-30