Raymond D. Mathews

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Vertical-air wrapped-cloth sleeve evaporative whole-house humidifie...
- Patent number 11,079,124
- Issue date Aug 3, 2021
- Raymond D. Mathews
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Room humidifier
- Patent number 9,476,604
- Issue date Oct 25, 2016
- Raymond D. Mathews
- F24 - HEATING RANGES VENTILATING