DD

David C. Douglas

UN Unknown: 1 patents #323 of 3,294Top 10%
📍 Concord, MA: #55 of 122 inventorsTop 50%
🗺 Massachusetts: #4,305 of 12,163 inventorsTop 40%
Overall (2016): #428,561 of 481,213Top 90%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9381387 Fire-protection mechanism — 2016-07-05