Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6021959 | Vehicle mounted fluid delivery system with retractable arm | Ted E. Mayfield, Mark L. Natalizia | 2000-02-08 |
| 6010079 | Vehicle mounted fluid delivery system with retractable arm | Ted E. Mayfield, Mark L. Natalizia | 2000-01-04 |
| 5245710 | Flush toilet and method | Vernon W. Haselswerdt | 1993-09-21 |
| 4918764 | Electrically operated toilet | Vernon W. Haselswerdt | 1990-04-24 |
| 4508132 | Temperature controlled valve mechanism and method | Vernon W. Haselswerdt | 1985-04-02 |
| 4424775 | Apparatus for maintaining a diesel engine in restarting condition | Vernon W. Haselswerdt, Hugh A. Hinchliffe | 1984-01-10 |
| 4356833 | Temperature controlled valve mechanism and method | Vernon W. Haselswerdt | 1982-11-02 |