Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7217240 | Heart stabilizer | — | 2007-05-15 |
| 6936001 | Heart stabilizer | — | 2005-08-30 |
| 6860877 | Heart stabilizer support arm | Dan Sanchez, Ken Grace | 2005-03-01 |
| 6817972 | Heart stabilizer | — | 2004-11-16 |
| 5193963 | Force reflecting hand controller | Douglas A. McAffee, William T. Townsend | 1993-03-16 |