Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645071 | Method for the measurement of the molar mass of gases or gas mixtures and an apparatus for the performance of the method | Karl Harnoncourt, Walter Guggenbuhl, Christian Buess | 1997-07-08 |
| 5266180 | Interior electrode of a polarographic electrode | Karl Harnoncourt, Erich Kleinhappl | 1993-11-30 |
| 4574961 | Airing and drying frame | Peter Keiels | 1986-03-11 |
| 4484371 | Floor-sweeping machine | Alfons Schreiber, Peter Tiwi | 1984-11-27 |
| 4484372 | Floor-sweeping machine | Alfons Schreiber, Peter Tiwi | 1984-11-27 |
| D274663 | Carpet sweeper with additional rotable edge brushes | Peter Tiwi | 1984-07-10 |