Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999621 | Tone code identification system | — | 1991-03-12 |
| D276132 | Combination window lock and installation gauge | — | 1984-10-30 |
| 4336754 | Property identification system | — | 1982-06-29 |