Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102195 | Seating system | Michael Heinrich, Ann Lasko-Harvill, Michael W. Silverman | 1992-04-07 |
| 5074507 | Locking mechanism | Michael Heinrich, Ann Lasko-Harvill, Michael W. Silverman | 1991-12-24 |
| 5052647 | Quick release coupler | Michael Heinrich, Ann Lasko-Harvill, Michael W. Silverman | 1991-10-01 |
| 5035467 | Seating system | Michael Heinrich, Ann Lasko-Harvill, Michael W. Silverman | 1991-07-30 |
| 4524984 | Controllable sled for snow skiing | — | 1985-06-25 |