David A. Ferris

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West Buxton, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for providing computer display data from a com...
- Patent number 6,175,861
- Issue date Jan 16, 2001
- Henry R. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low power high current sinking TTL circuit
- Patent number 4,697,103
- Issue date Sep 29, 1987
- Quadic Systems, Inc.
- David A. Ferris
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multiple phase-splitter TTL output circuit with improved drive char...
- Patent number 4,661,727
- Issue date Apr 28, 1987
- Fairchild Semiconductor Corporation
- David A. Ferris
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
TTL tristate device with reduced output capacitance
- Patent number 4,581,550
- Issue date Apr 8, 1986
- Fairchild Camera & Instrument Corporation
- David A. Ferris
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transistor logic tristate device with reduced output capacitance
- Patent number 4,311,927
- Issue date Jan 19, 1982
- Fairchild Camera & Instrument Corp.
- David A. Ferris
- H03 - BASIC ELECTRONIC CIRCUITRY