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David W. Ek
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Aurora, IL, US
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last 30 patents
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Patent Grant
Control panel for frying computer
Patent number
D275105
Issue date
Aug 14, 1984
National Controls Corporation
Gustav Kuschewski
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Control panel for frying computer
Patent number
D275104
Issue date
Aug 14, 1984
National Controls Corporation
Gustav Kuschewski
D14 - Recording, communication, or information retrieval equipment