DS

Douglas A. Simpson

AE Active Control Experts: 2 patents #14 of 26Top 55%
📍 Cambridge, MA: #3,914 of 8,183 inventorsTop 50%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,216,666 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6427812 Damper and valve Edward F. Crawley, Kenneth B. Lazarus, Jeffrey W. Moore, Gerald F. Caron, Farla M. Russo 2002-08-06
6193029 Damper and valve Edward F. Crawley, Kenneth B. Lazarus, Jeffrey W. Moore, Gerald F. Caron, Farla M. Russo 2001-02-27