William W. Frede

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Cedar Rapids, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for controlling modulation of digital signa...
- Patent number 5,912,926
- Issue date Jun 15, 1999
- Norand Corporation
- Steven E. Koenck
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of and apparatus for controlling modulation of digital signa...
- Patent number 5,555,276
- Issue date Sep 10, 1996
- Norand Corporation
- Steven E. Koenck
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of and apparatus for controlling modulation of digital signa...
- Patent number 5,365,546
- Issue date Nov 15, 1994
- Norand Corporation
- Steven E. Koenck
- B60 - VEHICLES IN GENERAL