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KNICKERBOCKER DEV CORP

KNICKERBOC
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2431992A Compensatory suppressed pointer adjustment for electric met… Expired / Lapsed 1943-08-05 1947-12-02 0 Details
US2413865A Thermostatically controlled charger Expired / Lapsed 1942-11-19 1947-01-07 0 Details
US2392737A Battery capacity tester Expired / Lapsed 1942-08-03 1946-01-08 0 Details
US2296924A Battery charger Expired / Lapsed 1941-04-01 1942-09-29 0 Details
US2225051A One meter battery tester Expired / Lapsed 1938-05-16 1940-12-17 0 Details