Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5419246 | Method and apparatus for laying a granular pattern | — | 1995-05-30 |
| 4903688 | Tooth cleaning toothbrush and system | Frank R. Ring, Jr. | 1990-02-27 |
| 4834211 | Anchoring element for in-the-ear devices | Frank R. Ring, Jr. | 1989-05-30 |
| 4614022 | Method for forming multi-laminate core assembly | Frank R. Ring, Jr. | 1986-09-30 |