Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961619 | Subcutaneously implantable power supply | — | 2005-11-01 |
| 5314258 | Self-contained re-inking insert and ribbon cartridge device | William R. Brown | 1994-05-24 |
| 5030022 | Ribbon cartridge with integral re-inker | — | 1991-07-09 |
| D313420 | Auxilliary eyeglasses | Frank B. Tarr | 1991-01-01 |