Charles L. Keyes

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Forest Lake, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Navigation system, method and software for foot travel
- Patent number 6,522,266
- Issue date Feb 18, 2003
- Honeywell, Inc.
- Wayne A. Soehren
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Automatic calibration of redundant sensors
- Patent number 5,479,161
- Issue date Dec 26, 1995
- Honeywell Inc.
- Charles L. Keyes
- G01 - MEASURING TESTING