Calzolari; Pietro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Calzolari; Pietro.The latest application filed is for "optical fiber cable with optical fibers in tubes unbonded to surrounding core".
- Calzolari; Pietro - Milan IT
| Patent | Date |
|---|---|
| Optical fiber cable with optical fibers in tubes unbonded to surrounding core Grant 4,932,746 - Calzolari , et al. June 12, 1 | 1990-06-12 |
| Optical fiber cable with fiber enclosing tubes in transparent core Grant 4,902,096 - Calzolari , et al. February 20, 1 | 1990-02-20 |
| Electric Cable With Corrugated Metallic Sheath Grant 3,766,309 - Calzolari , et al. October 16, 1 | 1973-10-16 |
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