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Incandescent mantles
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John P. Edgar
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John P. Edgar
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Thermophotovoltaic technology
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TPV Energy Systems, Inc.
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Robert E. Nelson
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Thermophotovoltaic technology
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TPV Energy Systems, Inc.
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Gas mantle technology
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Patent number 4,975,044
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TPV Energy Systems, Inc.
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Walter J. Diederich
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Refractory metal oxide processes
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Patent number 4,883,619
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TPV Energy Systems, Inc.
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TPV Energy Systems, Inc.
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TPV Energy Systems, Inc.
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The Gillette Company
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F21 - LIGHTING
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F21 - LIGHTING
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F21 - LIGHTING
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F21 - LIGHTING
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F21 - LIGHTING
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F21 - LIGHTING
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F21 - LIGHTING
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F21 - LIGHTING
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F21 - LIGHTING
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F21 - LIGHTING
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F21 - LIGHTING