Andrew Barry Stephen

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Northampton, GB

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Patents Grantslast 30 patents

Information Patent Grant
Non-linear junction detector
- Patent number 6,897,777
- Issue date May 24, 2005
- Audiotel International Limited
- Steven John Holmes
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for detecting surveillance devices
- Publication number 20060144170
- Publication date Jul 6, 2006
- Andrew Barry Stephen
- G01 - MEASURING TESTING
Information Patent Application
Scanning rf receiver
- Publication number 20040212358
- Publication date Oct 28, 2004
- Andrew Barry Stephen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Non-linear junction detector
- Publication number 20040095243
- Publication date May 20, 2004
- Steven John Holmes
- G01 - MEASURING TESTING