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DELTA STAR ELECTRIC CO

DELTA STAR
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2186922A Counting control system Expired / Lapsed 1934-07-23 1940-01-09 0 Details
US2132685A Contact means Expired / Lapsed 1934-06-04 1938-10-11 0 Details
US2068639A Electrical rail bond Expired / Lapsed 1930-05-03 1937-01-26 0 Details
US1979091A Electrical distribution connecter Expired / Lapsed 1930-07-23 1934-10-30 0 Details
US1877557A Unit type multistage auxiliary switch Expired / Lapsed 1930-12-08 1932-09-13 0 Details