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HOLMES ELECTRIC PROTECTIVE CO

HOLMES ELE
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1919007A Signaling system Expired / Lapsed 1931-08-21 1933-07-18 0 Details
US1521793A Alarm device Expired / Lapsed 1922-07-31 1925-01-06 0 Details