Patelhold Patentverwertungs- & Electro-Holding AG
Patent Applications and Registrations
Patent applications and USPTO patent grants for Patelhold Patentverwertungs- & Electro-Holding AG.The latest application filed is for "method and apparatus for monitoring a pulse-code modulated data transmission".
- Patelhold Patentverwertungs- & Electro-Holding AG - Glarus CH
| Patent | Date |
|---|---|
| Method and apparatus for monitoring a pulse-code modulated data transmission Grant 4,213,007 - Funk July 15, 1 | 1980-07-15 |
| Fiber optic T-coupler Grant 4,173,390 - Kach November 6, 1 | 1979-11-06 |
| Method Of Enciphered Information Transmission By Time-interchange Of Information Elements Grant 3,773,977 - Guanella November 20, 1 | 1973-11-20 |
| Step-by-step Frequency Wobbled And Address-coded Transmission System Grant 3,584,303 - Guanella June 8, 1 | 1971-06-08 |
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