Elder; James Donald

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Sulphur, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat transfer and building support system
- Patent number 4,602,676
- Issue date Jul 29, 1986
- Ledet, Jr.; Stephen J.
- Hervin J. Bergeron
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air circulation system for generally enclosed structures
- Patent number 4,505,325
- Issue date Mar 19, 1985
- Ledet, Jr.; Stephen J.
- Hervin J. Bergeron
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air circulation system and air flow elements therefor
- Patent number 4,440,343
- Issue date Apr 3, 1984
- Ledet, Jr.; Stephen J.
- Hervin J. Bergeron
- F24 - HEATING RANGES VENTILATING