Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5554140 | Feeding tube retaining strap | Lester D. Michels, Douglas Duchon | 1996-09-10 |
| 5322073 | Feeding tube retaining strap | Lester D. Michels, Douglas Duchon | 1994-06-21 |
| 4516941 | Rowing outrigger | — | 1985-05-14 |