Tsao-Wu; Nelson Tsin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsao-Wu; Nelson Tsin.The latest application filed is for "program controlled time division switching systems".
- Tsao-Wu; Nelson Tsin - Boulder CO
| Patent | Date |
|---|---|
| Program controlled time division switching systems Grant 3,908,092 - Hight, deceased , et al. September 23, 1 | 1975-09-23 |
| Tone Control System For A Time Division Switching System Grant 3,870,826 - Carbrey , et al. March 11, 1 | 1975-03-11 |
| .beta.-ELEMENT SWITCHING NETWORK CONTROL Grant 3,638,193 - Opferman , et al. January 25, 1 | 1972-01-25 |
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