Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D375550 | Hearing protective earplug | Joseph A. Marino, R. William Vernazza | 1996-11-12 |
| D375551 | Hearing protective earplug | Joseph A. Marino, R. William Vernazza | 1996-11-12 |
| D369655 | Hearing protective earplug | Joseph A. Marino, R. William Vernazza | 1996-05-07 |