Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504776 | Power saving regulated light emitting diode circuit | — | 1985-03-12 |
| 4445112 | Positional encoders with plug-together modules | — | 1984-04-24 |
| 4427972 | Modular shaft encoder system for non-binary counts | Paul Johnson | 1984-01-24 |
| 4383317 | Shaft angle encoder having a circuit for synthesizing a skipped track output signal | — | 1983-05-10 |
| 4359688 | Frequency multiplying circuit for an optical encoder | — | 1982-11-16 |