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Simpson Strong Tie Co Inc

Simpson St
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Total Holdings
6

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Patent No. Title Status Filing Date Grant Date Claims Actions
US4480941A Double shear angled fastener connector Expired / Lapsed 1983-03-04 1984-11-06 17 Details
US4291996A Positive nail angling device for metal connectors Expired / Lapsed 1980-07-01 1981-09-29 5 Details
US4230416A Restricted slot nail openings for sheet metal framing conne… Expired / Lapsed 1979-10-15 1980-10-28 11 Details
US4005942A Metal hanger Expired / Lapsed 1976-03-22 1977-02-01 8 Details
US3633950A Grip groove hanger Expired / Lapsed 1970-10-08 1972-01-11 16 Details
US3601428A Pronged joist hanger Expired / Lapsed 1969-12-11 1971-08-24 4 Details