DH

David A. Houghton

CI Cisco: 1 patents #547 of 1,687Top 35%
📍 Danville, NH: #2 of 4 inventorsTop 50%
🗺 New Hampshire: #379 of 1,252 inventorsTop 35%
Overall (2011): #323,009 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7881712 Generating and signaling tones in a communications network Chengsheng Luo, Anantha R. Mekala 2011-02-01