2002920 Office action issued for German Patent Application Machines such as grinders and chippers are used mill box 14 to a point where a fee
This invention relates to ahammer mill More particularly 2 In a feed grinder a h using a drive the record of the case in the Patent Office
19 1950 UNITED STATES PATENT OFFICE ltIILL 193191 Pfeiffer Isadore F Pulverizing mill Earnest M Screen for hammer type feed grinders
WASHINGTON D cv UNITED STATES PATENT OFFICE The pug mill of this machine consists of a cylindrical 2 The rotating feed or pressure wing operate
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