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Diamond Expansion Bolt Co Inc

Diamond Ex
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2762252A One-piece collapsible sheet metal bolt anchor Expired / Lapsed 1955-04-27 1956-09-11 0 Details
US1373188A Toggle Expired / Lapsed 1919-07-17 1921-03-29 0 Details