Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DR

David A. Ruffen

ENEnterasys Networks: 1 patents #53 of 120Top 45%
Salem, NH: #182 of 325 inventorsTop 60%
New Hampshire: #7,386 of 12,181 inventorsTop 65%
Overall (All Time): #3,474,037 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6711171 Distributed connection-oriented services for switched communications networks Kurt Dobbins, Thomas A. Grant, Laura Kane, Theodore Len, Philip Andlauer +6 more 2004-03-23