Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559507 | Signal transmission and tag reading circuit for an inductive reader | — | 1996-09-24 |
| 5499017 | Multi-memory electronic identification tag | — | 1996-03-12 |
| 5266926 | Signal transmission and tag power consumption measurement circuit for an inductive reader | — | 1993-11-30 |
| 5257011 | Data altering means for multi-memory electronic identification tag | — | 1993-10-26 |
| 5235326 | Multi-mode identification system | Nathaniel Polish, Robert E. Malm | 1993-08-10 |
| 5214409 | Multi-memory electronic identification tag | — | 1993-05-25 |
| D318658 | Identity tag reader | Hannis L. Stoddard, III, Douglas E. Hull, George Schmidt, Lester Carl Brown | 1991-07-30 |
| 5003192 | AC power switching device with non-volatile memory unit | — | 1991-03-26 |
| 4751401 | Low voltage switch | Lester Brown, Thomas Trey Miller | 1988-06-14 |
| 4333072 | Identification device | — | 1982-06-01 |
| 4316401 | Music synthesizer | Donald L. Tavel | 1982-02-23 |
| 4314496 | Music synthesizer | — | 1982-02-09 |
| 4291605 | Music synthesizer | Donald L. Tavel | 1981-09-29 |