John D. Sublette

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Huntsville, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Current regulated pulse dialer with memory retention circuit
- Patent number 4,527,016
- Issue date Jul 2, 1985
- GTE Business Communication Systems Inc.
- John D. Sublette
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic tone ringer
- Patent number 4,309,574
- Issue date Jan 5, 1982
- GTE Automatic Electric Labs Inc.
- John D. Sublette
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current regulated pulse dialer circuit
- Patent number 4,286,120
- Issue date Aug 25, 1981
- GTE Automatic Electric Labs Inc.
- John D. Sublette
- H04 - ELECTRIC COMMUNICATION TECHNIQUE