WD

Walter Dray

CI Ciena: 1 patents #14 of 76Top 20%
📍 Carlisle, MA: #22 of 50 inventorsTop 45%
🗺 Massachusetts: #1,861 of 6,881 inventorsTop 30%
Overall (2003): #272,622 of 273,478Top 100%
1
Patents 2003

Issued Patents 2003

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