Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571243 | Needle guidance system | Gregory Graham | 1986-02-18 |
| 4543091 | X-ray marker device | Gregory Graham | 1985-09-24 |
| 4511356 | Cannula, obturator, stylet and needle hub connectors for lumbar disc puncture | Gregory Graham | 1985-04-16 |
| 4505709 | Liquid transfer device | Gregory Graham | 1985-03-19 |