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Mechanical Rubber Co

Mechanical
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1843943A Fiber board manufacture Expired / Lapsed 1930-05-20 1932-02-09 0 Details
US1783281A Valve Expired / Lapsed 1928-02-25 1930-12-02 0 Details
US1353477A Apparatus for making tobacco-pouches Expired / Lapsed 1919-01-09 1920-09-21 0 Details
US1190292A Process of making hose. Expired / Lapsed 1915-08-27 1916-07-11 0 Details