Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021863 | Pre-primed siphonic toilet | Andrew L. Smith, Billy Jack Ahola, Mark E. Baumgartner, Don Bogenschuetz, Peter W. Swart +1 more | 2021-06-01 |
| 10428509 | Pre-primed siphonic toilet | Andrew L. Smith, Billy Jack Ahola, Mark E. Baumgartner, Don Bogenschuetz, Peter W. Swart +1 more | 2019-10-01 |
| 9988802 | Pre-primed siphonic toilet | Andrew L. Smith, Billy Jack Ahola, Mark E. Baumgartner, Don Bogenschuetz, Peter W. Swart +1 more | 2018-06-05 |