Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6363898 | Quick replacement igniter assembly | Gordon R. Ripma, Brian E. Ainsworth | 2002-04-02 |
| 6152095 | Quick replacement spark plug assembly | Gordon R. Ripma | 2000-11-28 |
| 5979387 | Quick replacement spark plug assembly | Gordon R. Ripma | 1999-11-09 |
| 5706847 | Quick replacement spark plug assembly | Gordon R. Ripma | 1998-01-13 |