USPTO Issued PatentsUS Patent and trademark office database of issued patents. Include U.S. Patent Full Text Database (1976 - ) and U.S. Patent Bibliographic Database (1976 - ). Holdings: 1976-present
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USPTO Issued PatentsUS Patent and trademark office database of issued patents. Include U.S. Patent Full Text Database (1976 - ) and U.S. Patent Bibliographic Database (1976 - ). Holdings: 1976-present
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