Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JB

John M. Bertalan — 5 Patents

CACalcomp: 4 patents #7 of 71Top 10%
ASAxiohm Transaction Solutions: 1 patents #21 of 52Top 45%
Tustin, CA: #307 of 1,327 inventorsTop 25%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John M. Bertalan has been granted 5 US patents while listed as an inventor at Calcomp. The first was granted in 1993 and the most recent in December 2000. John M. Bertalan ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John M. Bertalan in Tustin, CA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6155731 Printing apparatus with cover actuated drive source Jeffery C. Cooper, Bernard V. Masson, James Carter, Jimmy R. Rowe, Russel Hugh Marvin 2000-12-05
5682039 Media position sensing system having a plurality of apertures in the media edge margin James Lawrence 1997-10-28 $5,397,000
5404425 Pen operability checking system for vector plotters Patrick Nguyen, Charles Morris 1995-04-04 $158,000
5245363 Pen cleaning system for a pen plotter Patrick Nguyen, Brian C. Preston 1993-09-14 $348,000
5177497 Completed plot rolling mechanism for a plotter Jose L. Calderon, Patrick Nguyen 1993-01-05 $405,000