Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5977431 | Living tissue implant with electrical transponder marker | Terry R. Knapp | 1999-11-02 |
| 5716407 | Method of rendering identifiable a living tissue implant using an electrical transponder marker | Terry R. Knapp | 1998-02-10 |