Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782861 | Vacuum release mechanism | John H. Thiermann | 2004-08-31 |
| 6691683 | Automatic fuel vent closure and fuel shutoff apparatus having electrical actuation | John H. Thiermann | 2004-02-17 |