Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302286 | Roller skate | Roman L. Baltutis, Ljudmila M. Osinskaya | 1989-07-18 |
| 4396204 | Roller skates | — | 1983-08-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302286 | Roller skate | Roman L. Baltutis, Ljudmila M. Osinskaya | 1989-07-18 |
| 4396204 | Roller skates | — | 1983-08-02 |