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HOLTZER CABOT ELECTRIC CO

HOLTZER CA
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2331960A Speed control for direct current motors Expired / Lapsed 1942-01-21 1943-10-19 0 Details
US2302535A Paging system Expired / Lapsed 1940-04-05 1942-11-17 0 Details
US2025233A Distribution panel Expired / Lapsed 1933-09-15 1935-12-24 0 Details