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

Roy E. Winchester

DLDe La Rue International Limited: 2 patents #18 of 66Top 30%
Overall (All Time): #2,326,820 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4968015 Sheet feeding apparatus and method Simon Calverley, Trevor J. Conner, Christopher J. Dixon, Martin Lane 1990-11-06
4707598 Method and apparatus for monitoring sheets for overlapping Michel Croset, Martin Lane, David R. Worsley 1987-11-17