Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187973 | Leak monitor for hydraulic drive systems | Josip Francuz | 1993-02-23 |
| 4304415 | Packing ring for ribbed conduits | Franz J. Wolf | 1981-12-08 |
| 4188040 | Sealing ring | Franz J. Wolf | 1980-02-12 |