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

Mark A. DuFresne — 2 Patents

IBM: 2 patents #32,839 of 70,183Top 50%
New Ipswich, NH: #24 of 43 inventorsTop 60%
New Hampshire: #5,349 of 12,181 inventorsTop 45%
Overall (All Time): #1,889,925 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11144733 Task-oriented messaging system Jonathan F. Brunn, Jonathan T. Coffey, Marit L. Imsdahl, Christopher D. Johnson, Asima Silva +3 more 2021-10-12
10140291 Task-oriented messaging system Jonathan F. Brunn, Jonathan T. Coffey, Marit L. Imsdahl, Christopher D. Johnson, Asima Silva +3 more 2018-11-27