Societe Italiana Telecomunicazioni Siemens S.p.A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Societe Italiana Telecomunicazioni Siemens S.p.A..The latest application filed is for "band-pass/band-stop filter for telecommunication system".
- Societe Italiana Telecomunicazioni Siemens S.p.A. - Milan IT
- Societe Italiana Telecomunicazioni Siemens S. p. A. - Milano IT
| Patent | Date |
|---|---|
| Band-pass/band-stop filter for telecommunication system Grant 4,182,997 - Brambilla January 8, 1 | 1980-01-08 |
| Remote-testing arrangement for PCM transmission system Grant 4,069,402 - Mantovani , et al. January 17, 1 | 1978-01-17 |
| High-frequency communication system using A-C utility lines Grant 3,895,370 - Valentini July 15, 1 | 1975-07-15 |
| Line Concentrator For Telephone Exchange Grant 3,819,869 - Lamartina , et al. June 25, 1 | 1974-06-25 |
| Stabilized Direct-current Converter Responsive To Off-period Current Grant 3,781,653 - Marini December 25, 1 | 1973-12-25 |
| Circuit Arrangement For The Controlled Energization Of A Load Grant 3,750,141 - Poretti , et al. July 31, 1 | 1973-07-31 |
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