Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993373 | Sealing shroud port timing valve for two cycle engine | Edward D. Klomp, Edward G. Groff, Donald Terry French | 1991-02-19 |
| 4643337 | Dispenser for viscous materials | Eugene F. Haffner | 1987-02-17 |