Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321998 | Earplug container | Roger Van de Walker | 1982-03-30 |
| 4219018 | Earplug unit with inserter and tie | — | 1980-08-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321998 | Earplug container | Roger Van de Walker | 1982-03-30 |
| 4219018 | Earplug unit with inserter and tie | — | 1980-08-26 |