Laird Campbell
8Patents
6h-index
8Co-inventors
52Inventor score
Filing activity: Dec 3, 1987 → Aug 8, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4982337A | System for distributing lottery tickets | Emerging Cross-Sectional Technologies | 328 | Expired |
| US5309176A | Airline ticket printer with stepper motor for selectively engaging print head and platen | Physics | 45 | Expired |
| US5684285A | Airline ticket printer with ticket pre-staging and recirculation | Physics | 11 | Expired |
| US5664073A | Control system for transportation ticket printer having plurality of dual process personal computer boards for performing general computing tasks and sending data to printer control module | Physics | 9 | Expired |
| US6042285A | Device for removing ticket blanks from ticket cassette | Physics | 7 | Expired |
| US5599117A | Airline ticket printer with ticket prestaging | Physics | 7 | Expired |
| US5692845A | Airline ticket printer with offset drive means | Physics | 3 | Expired |
| US5818022A | Printer with offset magnetic recorder drive means | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.