Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4641407 | Tooling for elastomeric swaging machine | Fred Johnson, Frank R. Lentz, John P. Root | 1987-02-10 |
| 4331953 | Communication system for use in hazardous confined areas | Fred S. Fairbank, Wayne E. Hixson, Reginald F. Knowlton | 1982-05-25 |