John M. Bertalan
5Patents
3h-index
10Co-inventors
46Inventor score
Filing activity: Mar 26, 1991 → Oct 17, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6155731A | Printing apparatus with cover actuated drive source | Performing Operations; Transporting | 38 | Expired |
| US5245363A | Pen cleaning system for a pen plotter | Physics | 14 | Expired |
| US5177497A | Completed plot rolling mechanism for a plotter | Performing Operations; Transporting | 3 | Expired |
| US5682039A | Media position sensing system having a plurality of apertures in the media edge margin | Physics | 2 | Expired |
| US5404425A | Pen operability checking system for vector plotters | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.