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Detroit Steel Products Co Inc

Detroit St
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2608276A Building construction Expired / Lapsed 1945-07-02 1952-08-26 0 Details
US2249257A Casing construction Expired / Lapsed 1940-02-16 1941-07-15 0 Details