WD

Walter Dray

CI Ciena: 1 patents #757 of 1,406Top 55%
📍 Carlisle, MA: #259 of 364 inventorsTop 75%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,506,450 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6538987 Rapid ring protection switching system Dan Cedrone, Ed Klein, James L. Regan, Bappa Sinha, Ming-Teh Ma +1 more 2003-03-25