Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666638 | Fragrance device | Richard I. Baker, Edward Szymansky | 1987-05-19 |
| 4644328 | Buoyant alarm device | Edward Szymansky, Richard I. Baker | 1987-02-17 |
| 4540976 | Circuit arrangement for a buoyant alarm device | — | 1985-09-10 |