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FIRM G POLYSIUS AG

FIRM G POL
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2219283A Apparatus for conveying powdered material Expired / Lapsed 1938-08-22 1940-10-29 0 Details
US1971853A Apparatus for conveying powdered material Expired / Lapsed 1934-03-17 1934-08-28 0 Details
US1971852A Process for stirring up farinaceous materials in receptacle… Expired / Lapsed 1932-06-01 1934-08-28 0 Details