Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6075548 | Printers having adjustable resolution and methods of forming an image | — | 2000-06-13 |
| 6024487 | Thermal sensor assembly | Robert Casper | 2000-02-15 |
| 5999768 | Thermal sensor assembly | Robert Casper | 1999-12-07 |
| 5957582 | Thermal sensor assembly | Robert Casper | 1999-09-28 |
| 4292475 | Expandable link telephone intercom system | Stephen Hill, Victor M. De Pinto | 1981-09-29 |
| 4258232 | Line hold circuits | Maurice I. Smith | 1981-03-24 |
| 4188511 | Multi-link telephone intercom system | Maurice I. Smith, Gerald L. Edwards | 1980-02-12 |