Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497753 | Electrostatic air cleaner | — | 2002-12-24 |
| 6296692 | Air purifier | — | 2001-10-02 |
| D436159 | Air cleaner apparatus | — | 2001-01-09 |
| D411294 | Air cleaner | — | 1999-06-22 |
| D410539 | Air cleaner | — | 1999-06-01 |
| D410282 | Air cleaner | — | 1999-05-25 |
| D398044 | Air cleaner | — | 1998-09-08 |
| 5596127 | Process for the continuous preparation of terpene esters | Manfred Gscheidmeier, Jakob Wiesm uller, Alfred Riedel | 1997-01-21 |