Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098138 | Building closure security device | — | 1992-03-24 |
| 4673113 | Hat stretcher device | — | 1987-06-16 |
| 4230290 | Airplane angle of attack and direction of flight indicator | Ray T. Townsend | 1980-10-28 |