Phillip Ernest Greenaway

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Patents Grantslast 30 patents

Information Patent Grant
Oscillator circuit arrangements including nullator-norator pairs
- Patent number 4,091,341
- Issue date May 23, 1978
- The Post Office
- Alan John Greaves
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Oscillator circuit arrangements including nullator-norator pairs
- Patent number 4,091,340
- Issue date May 23, 1978
- The Post Office
- Alan John Greaves
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Active networks and signalling equipment
- Patent number 4,051,385
- Issue date Sep 27, 1977
- The Post Office
- Philip Ernest Greenaway
- H04 - ELECTRIC COMMUNICATION TECHNIQUE