Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5398347 | Urinal mat | Richard C. Luedtke | 1995-03-21 |
| 5313672 | Urinal mat | Richard C. Luedtke | 1994-05-24 |
| D329893 | Anti-splash mat for urinal or the like | Richard C. Luedtke | 1992-09-29 |
| 4866793 | Toilet anti-splash device | Richard C. Luedtke | 1989-09-19 |