VANMARK CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5370236 Separator device to separate dense particulate matter from less dense particulate matterExpiredJun 14, 93Dec 06, 94[B03B]
5364539 Method and means for screening solids from a liquid mediumExpiredFeb 16, 94Nov 15, 94[B01D]
4706556 Potato chip manufacturing machineExpiredJan 13, 86Nov 17, 87[A47J]

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