Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D498568 | Universal joint | Paulus Antonius Augustinus Höfte, Johannes Lambertus Maria Mensink, Leonard Joseph Keller, Jr. | 2004-11-16 |
| D487174 | Cleaning implement | Paulus Antonius Augustinus Höfte, Johannes Lambertus Maria Mensink, Leonard Joseph Keller, Jr. | 2004-02-24 |