DB

Duane C. Blake

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Westwood, MA: #181 of 265 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,093,892 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8661889 AURA devices and methods for increasing rare coin value — 2014-03-04