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Alfred Lilienthal
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Bourbonnais, IL, US
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last 30 patents
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Patent Grant
Tile perforating unit
Patent number
4,486,929
Issue date
Dec 11, 1984
Cullom Machine Tool & Die, Inc.
Heinrich Dickhut
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Plastic tile corrugator
Patent number
4,439,130
Issue date
Mar 27, 1984
Cullom Machine Tool & Die, Inc.
Heinrich Dickhut
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL