← Back to Companies

Marathon Paper Mills Co

Marathon P
Active Patents
0
Total Holdings
7

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US2474619A Heat-sealable sheet material Expired / Lapsed 1944-01-22 1949-06-28 0 Details
US2348689A Container Expired / Lapsed 1942-11-30 1944-05-09 0 Details
US2223017A Tamperproof seal and method of making same Expired / Lapsed 1937-07-10 1940-11-26 0 Details
US2089524A Machine for and method of making coated sheet material Expired / Lapsed 1935-09-16 1937-08-10 0 Details
US2081095A Suspending unit Expired / Lapsed 1936-09-01 1937-05-18 0 Details
US2080734A Removable adhesive unit Expired / Lapsed 1936-09-01 1937-05-18 0 Details
US1986954A Laminated sheet material Expired / Lapsed 1933-04-06 1935-01-08 0 Details