Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7118533 | Disinfecting and storage apparatus for a trans-esophageal probe | Richard Johnston | 2006-10-10 |
| 6938711 | Freestanding self-propelled device for moving objects | Richard Johnston | 2005-09-06 |