Datamp.org Patents http://www.datamp.org/ Recently added patents en-us US Patent: 228,712 http://www.datamp.org/patents/displayPatent.php?id=60286&pn=228,712 Air-Engine Patentees: James A. Woodbury - Boston, Suffolk County MA , Joshua Merrill - Boston, Suffolk County MA , George Patten - Boston, Suffolk County MA , Edward F. Woodbury - Boston, Suffolk County MA Granted:1880-06-08


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