Official Gazette of the United States Patent Office United States. Patent Office Published: 1902 Total Pages: 1108 Get eBook
Specifications and Drawings of Patents Issued from the U.S. Patent Office United States. Patent Office Published: 1873 Total Pages: 1410 Get eBook
Reports of the Commissioners of the United States to the International Exhibition Held at Vienna, 1873 United States. Commissioners to the International Exhibition held at Vienna, 1873 Published: 1876 Total Pages: 740 Get eBook