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Doug Kramer

BO Bose: 1 patents #696 of 1,083Top 65%
📍 Bellingham, MA: #85 of 149 inventorsTop 60%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,372,388 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7463746 Narrow opening electroacoustical transducing Gerald F. Caron, George E. P. Chute, Allan S. Copeland, Eric J. Freeman 2008-12-09