John F. Ray

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Canaan, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning nozzle
- Patent number 6,832,827
- Issue date Dec 21, 2004
- Spectra, Inc.
- John F. Ray
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
Cleaning nozzle
- Publication number 20030156152
- Publication date Aug 21, 2003
- John F. Ray
- B08 - CLEANING