Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819624 | Banded earplug | Howard S. Leight, Frederic A. Leight | 1989-04-11 |
| D265129 | Ear plug with flanges | — | 1982-06-22 |
| D264249 | Ear plug | — | 1982-05-04 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819624 | Banded earplug | Howard S. Leight, Frederic A. Leight | 1989-04-11 |
| D265129 | Ear plug with flanges | — | 1982-06-22 |
| D264249 | Ear plug | — | 1982-05-04 |