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Frank Adam Electric Co

Frank Adam
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2762398A Wire duct Expired / Lapsed 1952-01-24 1956-09-11 0 Details
US1010069A Knife-switch. Expired / Lapsed 1911-07-03 1911-11-28 0 Details