Roy W. Lewallen

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Beaverton, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for reducing harmonic distortion in an analog-to-digital con...
- Patent number 5,629,703
- Issue date May 13, 1997
- Tektronix, Inc.
- Roy W. Lewallen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High speed step generator output circuit
- Patent number 4,924,110
- Issue date May 8, 1990
- Tektronix, Inc.
- John B. Rettig
- H03 - BASIC ELECTRONIC CIRCUITRY