Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021861 | Toilet with collection chamber | Keith E. Muellenbach, Randy O. Mesun | 2021-06-01 |
| 10246864 | Pressure toilet with bulk loading siphon assist | William Kuru, Luke B. Zimbric | 2019-04-02 |
| 10132068 | Urinal spreader assembly | Douglas E. Bogard, Peter Kajuch | 2018-11-20 |
| 9045890 | Pressure toilet with bulk loading siphon assist | William Kuru, Luke B. Zimbric | 2015-06-02 |
| 6637044 | Statement regarding federally sponsored research/development | David K. Rische, Virgil S. Eickhoff | 2003-10-28 |