Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10065496 | Filler neck closure with drainage system | Louis T. Frank, Paul C. Wetzel | 2018-09-04 |
| 9873322 | Closure assembly for fuel tank filler neck | Louis T. Frank | 2018-01-23 |
| 8740002 | Cap-installation signal system for filler neck cap | John W. Ripberger, JR. | 2014-06-03 |