Joseph F. Ryan

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Worcester, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Explosion-proof enclosure
- Patent number 8,227,692
- Issue date Jul 24, 2012
- Precision Digital Corporation
- Erik Dahlgren
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
EXPLOSION-PROOF ENCLOSURE
- Publication number 20100258331
- Publication date Oct 14, 2010
- PRECISION DIGITAL CORAPORATION
- Erik Dahlgren
- G01 - MEASURING TESTING