Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889269 | Web center-guiding apparatus | Thomas W. Palone, Paul Kemp | 1989-12-26 |
| 4885776 | Television signal encoder with reduced transient switching effects | Richard W. Citta, Dennis M. Mutzabaugh | 1989-12-05 |
| 4879564 | Ultrasonic dye image fusing | — | 1989-11-07 |
| 4804977 | Image or pattern transfer optical system for thermal dye transfer apparatus | — | 1989-02-14 |
| 4800399 | Pulsed constant current source for continuous tone resistive ribbon printers | David A. Johnson | 1989-01-24 |