Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11304851 | Push-to-fit earplug with tip cavity | Robert C. Coffin, Matthew V. Stonebraker, Jr., Jacob H. Ely, Jeff L. Hamer, Kenneth F. Teeters | 2022-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11304851 | Push-to-fit earplug with tip cavity | Robert C. Coffin, Matthew V. Stonebraker, Jr., Jacob H. Ely, Jeff L. Hamer, Kenneth F. Teeters | 2022-04-19 |