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CLEVELAND PATENTS Inc

CLEVELAND
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2870400A Tube tester Expired / Lapsed 1955-02-11 1959-01-20 0 Details
US1983665A Electrical measuring instrument Expired / Lapsed 1931-12-18 1934-12-11 0 Details