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

Daniel P. Leonard

F.F.M.E.: 1 patents #12 of 29Top 45%
Concord, CA: #415 of 739 inventorsTop 60%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,972,298 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4658122 Postage meter stepper motor module Ward J. Payn, Onni W. Niemi, John V. McDonald, Elizabeth A. Simon 1987-04-14