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ALBERT G ELVIN

ALBERT G E
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1264168A Automatic closing device for fire-doors. Expired / Lapsed 1916-01-22 1918-04-30 0 Details
US1264166A Automatic closing device for fire-doors. Expired / Lapsed 1914-10-26 1918-04-30 0 Details