| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Japan | 3 | |
| #3 | United States | 3 | |
| #4 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Accessories for machine tools | |
| #3 | Rolling metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rattazzini Paolo | 5 |
| #2 | Corallo Valeriano | 4 |
| #3 | Bareriaano Koraaro | 2 |
| #4 | Paoro Ratsutajiini | 2 |
| #5 | Corallo Valeriano Giustina Int | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0239161A2 | Grinding machine for cylinders having members for dimensional and superficial survey and control | |
| EP0241070A2 | Adjustable steady rest for grinding machines for cylinders and the like |