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CARL VON DER CRONE AND CO

CARL VON D
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2911637A Electric flashlights or torches Expired / Lapsed 1958-05-14 1959-11-03 0 Details
US2707780A Changeable multicolored flashlight Expired / Lapsed 1954-04-14 1955-05-03 0 Details