Official Gazette of the United States Patent Office United States. Patent Office Published: 1910 Total Pages: 1562 Get eBook
Official Gazette of the United States Patent Office USA Patent Office Published: 1916 Total Pages: 1626 Get eBook
Scientific Canadian Mechanics' Magazine and Patent Office Record Canada. Patent Office Published: 1902 Total Pages: 2278 Get eBook
The Canadian Patent Office Record and Register of Copyrights and Trade Marks Published: 1913 Total Pages: 1354 Get eBook
Official Gazette of the United States Patent and Trademark Office Published: 1989 Total Pages: 868 Get eBook
The Century Dictionary and Cyclopedia: The Century dictionary ... prepared under the superintendence of William Dwight Whitney ... rev. & enl. under the superintendence of Benjamin E. Smith Published: 1911 Total Pages: 866 Get eBook