Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811524 | Cylinder grinding machine with tracing and dimensional and surface checking | — | 1989-03-14 |
| 4807400 | Measuring apparatus for grinding machines for cylinders with structural and surface checking devices | Paolo Rattazzini | 1989-02-28 |