John Q. Dumm

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Boxford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mobile electronic device comprising a modified sapphire
- Patent number 9,377,912
- Issue date Jun 28, 2016
- GTAT Corporation
- David B. Joyce
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
MOBILE ELECTRONIC DEVICE COMPRISING A MODIFIED SAPPHIRE
- Publication number 20140160649
- Publication date Jun 12, 2014
- GT CRYSTAL SYSTEMS, LLC
- David B. Joyce
- C30 - CRYSTAL GROWTH