Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4534070 | Automatic toilet bowl cleaner and depletion signal | Michael C. Hauptmann | 1985-08-13 |
| 4534071 | Automatic dispenser for disinfectant and bowl cleaning fluid | — | 1985-08-13 |