Derrick Corporaton
Derrick Corporaton Patent applications | ||
Patent application number | Title | Published |
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20150151333 | METHOD AND APPARATUSES FOR SCREENING - A screening machine includes wall members, screen assembly guide members, a screen assembly and a compression assembly. The screen assembly includes a frame with a plurality of side members and a screen supported by the frame. The compression assembly is attached to at least one wall member and forms the screen assembly into a concave shape. | 06-04-2015 |