John Weldon Gammon

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Table top touch screen
- Patent number D850440
- Issue date Jun 4, 2019
- RGB Systems, Inc.
- Kate N. Gentle
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Touch screen control panel
- Patent number D694195
- Issue date Nov 26, 2013
- RGB Systems, Inc.
- John Weldon Gammon
- D13 - Equipment for production, distribution, or transformation of energy