John M. Graffius

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Glendora, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pool cleaning device
- Patent number 8,771,435
- Issue date Jul 8, 2014
- John M. Graffius
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
POOL CLEANING DEVICE
- Publication number 20120186612
- Publication date Jul 26, 2012
- John M. Graffius
- B08 - CLEANING