Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6302170 | Automatically closing tank cap | — | 2001-10-16 |
| 6035906 | Self-closing gas for automatic filling machines | — | 2000-03-14 |
| 5720328 | Self-closing gas cap for automatic filling machines | — | 1998-02-24 |
| 5242075 | Self-closing cap for the filler neck of the oil pan of an engine | Franz Mayer | 1993-09-07 |
| 5195566 | Cap for the filler neck of liquid containers | Friedrich Wimmer | 1993-03-23 |
| 5139306 | Mounting system for securing a piece of trim to an automobile fender | Gerda Holey | 1992-08-18 |
| 4986439 | Cap for the filler neck of liquid containers | Friedrich Wimmer | 1991-01-22 |