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CHICAGO TELEPHONE SUPPLY Co

CHICAGO TE
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2061106A Resistance element Expired / Lapsed 1933-04-17 1936-11-17 0 Details
US2059813A Rheostat mounting Expired / Lapsed 1933-05-15 1936-11-03 0 Details