Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6382961 | Microprocessor-controlled gas appliance utilizing a single electrode spark ignition system | Todd W. Clifford, Jeffrey A. Benz | 2002-05-07 |
| 6220854 | Microprocessor-controlled gas appliance utilizing a single electrode spark ignition system and a pulse width modulated proportional valve | Todd W. Clifford, Jeffrey A. Benz | 2001-04-24 |
| 6116230 | Microprocessor-controlled gas appliance utilizing a single electrode spark ignition system and a pulse width modulated proportional valve | Todd W. Clifford, Jeffrey A. Benz | 2000-09-12 |