Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334690 | Trainer/learner skate | Robert J. Mortonson | 1982-06-15 |
| 4312514 | Roller skate brake | Isadore Horowitz | 1982-01-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334690 | Trainer/learner skate | Robert J. Mortonson | 1982-06-15 |
| 4312514 | Roller skate brake | Isadore Horowitz | 1982-01-26 |