Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D366485 | Portable cassette player | Mark Grasso, Justin Carroll | 1996-01-23 |
| D360207 | Portable cassette player | Mark Grasso, Justin Carroll | 1995-07-11 |
| D359464 | Belt clip | Mark Grasso, Justin Carroll | 1995-06-20 |
| D359281 | Walkie-talkie | Mark Grasso, Justin Carroll | 1995-06-13 |
| D359282 | Walkie-talkie | Mark Grasso, Justin Carroll | 1995-06-13 |
| D354958 | Head phone | Mark Grasso, Justin Carroll | 1995-01-31 |