Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ernest Davison — 2 Patents

DSDelphax Systems: 2 patents #13 of 47Top 30%
Brockville, CA: #43 of 94 inventorsTop 50%
Overall (All Time): #2,350,203 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4619515 Electrostatic printing apparatus and method Andrzej Maczuszenko, Brian D. Otter, Brian F. Whittaker, Christopher Novak, Dolf Landheer 1986-10-28
4516847 Electrostatic printing apparatus and method Andrzej Maczuszenko, Brian D. Otter, Brian F. Whittaker, Christopher Novak, Dolf Landheer 1985-05-14