Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168156 | Domino box kit and domino stands | — | 2001-01-02 |
| D304316 | Badge or the like | Ralph Perricelli | 1989-10-31 |
| 4191946 | Warning apparatus with a line integrity supervisory circuit | William A. Knox | 1980-03-04 |