Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964178 | Safety helmet for motor-cyclists provided with manually-adjustable ventilation means | Gazia Giancarlo | 1990-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964178 | Safety helmet for motor-cyclists provided with manually-adjustable ventilation means | Gazia Giancarlo | 1990-10-23 |