English Patents Author:Andrew Pritchard Subtitle: Being a Register of All Those Granted for Inventions in the Arts, Manufactures, Chemistry, Agriculture, Etc., Etc., During the First Forty-Five Years of the Present Century General Books publication date: 2009 Original publication date: 1847 Original Publisher: Whittaker and co. Subjects: Patents History / General Law / Intel... more »lectual Property / General Law / Intellectual Property / Patent Technology« less