Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D316139 | Bathtub hand rail | Christopher I. Beal, Joseph Zanetti | 1991-04-09 |
| 4887323 | Bathtub hand rail | Christopher I. Beal | 1989-12-19 |
| 4838291 | Axilliary crutch | — | 1989-06-13 |
| 4583080 | Audible alarm and projection lamp attachment for a walking cane | Michael R. Shields | 1986-04-15 |
| D282453 | Wheel chair with adjustable table | — | 1986-02-04 |
| D281997 | Raised toilet seat | — | 1985-12-31 |
| 4453766 | Lift chair for disabled person | — | 1984-06-12 |