Marvin L. DeHart

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Mesquite, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Security slot diffuser
- Patent number 5,205,784
- Issue date Apr 27, 1993
- Tomkins Industries, Inc.
- Marvin L. DeHart
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Ceiling air diffuser
- Patent number 4,714,009
- Issue date Dec 22, 1987
- Philips Industries Inc.
- Marvin L. DeHart
- F24 - HEATING RANGES VENTILATING