Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356479 | Method for cleaning bathroom fittings | Bernd-Dieter Holdt, Petra Plantikow | 1994-10-18 |
| 5317762 | Automatic toilet cleaner device | Bertram Horst, Bernhard Bongers, Erich Tuerk, Volker Weiss | 1994-06-07 |