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Sponge Rubber Products Co

Sponge Rub
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2574849A Resilient compressible fibrous product Expired / Lapsed 1947-08-08 1951-11-13 2 Details
US2200262A Rubber molding and vulcanizing process Expired / Lapsed 1936-05-18 1940-05-14 0 Details