Charles Klangos

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Lowell, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sifting shovel
- Patent number 7,712,805
- Issue date May 11, 2010
- Charles Klangos
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Sifting Shovel
- Publication number 20080143127
- Publication date Jun 19, 2008
- Charles Klangos
- F24 - HEATING RANGES VENTILATING