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Pm Ind Inc

Pm Ind Inc
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2715087A Method of sealing the open end of a thermoplastic tube Expired / Lapsed 1953-02-16 1955-08-09 0 Details
US2668534A Plastic injection device Expired / Lapsed 1952-06-03 1954-02-09 0 Details
US2666693A Acid treatment of plastic articles Expired / Lapsed 1952-01-24 1954-01-19 2 Details
US2630238A Tear out closure Expired / Lapsed 1949-05-09 1953-03-03 0 Details