Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985699 | Free stand with programmable music program playing means | — | 1991-01-15 |
| 4592835 | Pressure filter | Max Grieder, Hans Weibel | 1986-06-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985699 | Free stand with programmable music program playing means | — | 1991-01-15 |
| 4592835 | Pressure filter | Max Grieder, Hans Weibel | 1986-06-03 |