Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793369 | Light fixture | Gary Calzaretta | 2004-09-21 |
| 6095449 | Device and method to control yarn tension and yarn feeder | Giovanni Toso | 2000-08-01 |
| D380875 | Self defense mounting strap | — | 1997-07-08 |
| 5463192 | Process for operating a measurement instrument, and measurement instrument suitable for use with this process | Johannes Wirth | 1995-10-31 |
| 5259253 | Dynamometer with parallel guide | Johannes Wirth | 1993-11-09 |
| 5050693 | Balance and process for calibrating and operating the balance | Johannes Wirth | 1991-09-24 |
| 4678050 | Mass and force meter | Johannes Wirth | 1987-07-07 |
| 4625566 | Mass and force meter | Johannes Wirth | 1986-12-02 |
| 4453608 | Mass and force meter | Johannes Wirth, Kaspar Saner | 1984-06-12 |
| 4343196 | Mass and force meter | Johannes Wirth | 1982-08-10 |
| 4300648 | Mass and force meter | Johannes Wirth | 1981-11-17 |
| 4274501 | Mass and force meter | Johannes Wirth | 1981-06-23 |
| 4270384 | Mass and force meter | Kaspar Saner, Johannes Wirth | 1981-06-02 |
| 4211295 | Method and a scale for manual or automatic weighing of objects of same nominal weight | — | 1980-07-08 |