Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228076 | High fidelity speech encoding for telecommunications systems | Stanley M. Head | 1993-07-13 |
| 5150357 | Integrated communications system | John Featherston, Michael A. Patten | 1992-09-22 |
| 4875112 | Compound pulse dimming circuitry for conditioning readback signals | Martin H. Dost, Constantin Michael Melas, Lionel D. Provazek | 1989-10-17 |
| 4819091 | High speed magnetic disk contact recording system | Blasius Brezoczky | 1989-04-04 |