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DCD Research Corp

DCD Resear
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3215139A Ionization dental system Expired / Lapsed 1964-08-06 1965-11-02 1 Details
US3207161A Ionization dental system Expired / Lapsed 1961-05-22 1965-09-21 2 Details