Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941667 | Golf practicing apparatus | — | 1990-07-17 |
| 4514290 | Flotation collector composition and its use | Piotr Swiatkowski | 1985-04-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941667 | Golf practicing apparatus | — | 1990-07-17 |
| 4514290 | Flotation collector composition and its use | Piotr Swiatkowski | 1985-04-30 |