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

Robert E. Kalvitis

Xerox: 7 patents #1,771 of 8,622Top 25%
Fairport, NY: #324 of 1,225 inventorsTop 30%
New York: #20,336 of 115,490 inventorsTop 20%
Overall (All Time): #766,448 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D344973 Copier with document handler and finisher Mark S. Penke, William T Clark, III, Marland Chow, Leonard V. Gates, Hideyuki Matsubara +1 more 1994-03-08
D335682 Document handler for copier or printer Mark S. Penke, William T Clark, III, Marland Chow, Leonard V. Gates, Hideyuki Matsubara +1 more 1993-05-18
D334400 Copier with document handler Mark S. Penke 1993-03-30
RE31891 Platen module for computer fanfold reproduction Donald R. Tickner 1985-05-21
D267803 Continuous paper input module 1983-02-01
D267804 Tractor feed module for continuous paper 1983-02-01
4264200 Platen module for computer fanfold reproduction Donald R. Tickner 1981-04-28