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Power converter with desulfation mode
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Patent number 6,184,649
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Issue date Feb 6, 2001
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Progressive Dynamics, Inc.
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Thomas H. Phlipot
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Light fixture
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Patent number D411635
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Issue date Jun 29, 1999
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Progressive Dynamics, Inc.
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Thomas H. Phlipot
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D26 - Lighting
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Converter/charger
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Patent number D409139
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Issue date May 4, 1999
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Progressive Dynamics, Inc.
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Jeffrey L. Cornell
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D13 - Equipment for production, distribution, or transformation of energy
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Diffused air heating system
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Patent number 5,486,205
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Issue date Jan 23, 1996
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Progressive Dynamics, Inc.
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Jeffrey L. Cornell
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE