USPTO Issued PatentsThe US Patent and Trademark Office database of issued patents includes U.S. patent full text database (1976 - present) and U.S. patent bibliographic database (1976 - present). Holdings: 1976-present
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USPTO Issued PatentsThe US Patent and Trademark Office database of issued patents includes U.S. patent full text database (1976 - present) and U.S. patent bibliographic database (1976 - present). Holdings: 1976-present
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