Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293149 | Vehicle horn with electronic solid state energizing circuit | Jeffrey G. Hertenstein | 1994-03-08 |
| 5266921 | Method and apparatus for adjusting vehicle horns | — | 1993-11-30 |
| 4949069 | Dynamic liquid level indicator | — | 1990-08-14 |
| 4813123 | Method of adjusting an electric horn air gap | James A. Neese | 1989-03-21 |