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AMERICAN SAFETY DEVICE Co

AMERICAN S
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US1776785A Supporting means for advertising signs Expired / Lapsed 1929-06-27 1930-09-30 0 Details
US1714298A Framed structure and fitting therefor Expired / Lapsed 1927-10-17 1929-05-21 0 Details
US1706215A Adjustable coupling means Expired / Lapsed 1928-02-01 1929-03-19 0 Details
US1535779A Scaffold bench and anchor Expired / Lapsed 1922-03-15 1925-04-28 0 Details