Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810600 | Cathode coating dispersion for batteries | Mathis Wissler | 1989-03-07 |
| 4808324 | Lubricant system for sheet and section rolling mills | Hans-Rudolf Staub, Marco Lanini | 1989-02-28 |