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

Robert Duguay — 2 Patents

BAButler Automatic: 2 patents #2 of 22Top 10%
Brockton, MA: #59 of 168 inventorsTop 40%
Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,284,561 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5388775 Method and means for preventing the lifting of the leading edge of a web on a rotating web roll due to windage 1995-02-14
5301891 Method and means for preventing the lifting of the leading edge of a web on a rotating web roll due to windage 1994-04-12