Ronald E. McKeighen

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Hoffman Estates, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Permutating analog shift register variable delay system
- Patent number 4,401,957
- Issue date Aug 30, 1983
- Siemens Gammasonics, Inc.
- Ronald E. McKeighen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Permutating analog shift register variable delay system
- Patent number 4,267,584
- Issue date May 12, 1981
- Siemens Gammasonics, Inc.
- Ronald E. McKeighen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Dynamically variable electronic delay lines for real time ultrasoni...
- Patent number 4,173,007
- Issue date Oct 30, 1979
- G. D. Searle & Co.
- Ronald E. McKeighen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS