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Carl Freudenberg KG

Carl Freud
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3823212A Process for the production of collagen fiber fabrics in the… Expired / Lapsed 1971-05-28 1974-07-09 0 Details
US3509009A Non-woven fabric Expired / Lapsed 1967-02-06 1970-04-28 0 Details