Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11400967 | Wheelbarrow with multiple wheels on a front axle | — | 2022-08-02 |
| 6745859 | Powered wheel assembly | Beverly Ann Simons | 2004-06-08 |
| 4903655 | Membrane fuel pump with pulse dampener | Werner Vonderau, Hans Holderle, Armin Speckens, Jurgen Wolf | 1990-02-27 |