The Language of Specifications of Letters Patent for Inventions. With the Authorities and Decisions in All the Important and Latest Cases John Macgregor (M.A., Barrister-at-Law.) Published: 1856 Total Pages: 180 Get eBook
The Law and Practice Relating to Letters Patent for Inventions Thomas Terrell Published: 1909 Total Pages: 830 Get eBook
Official Gazette of the United States Patent Office USA Patent Office Published: 1888 Total Pages: 1648 Get eBook
Chitty's Collection of Statutes of Practical Utility [1225-1880] Joseph Chitty Published: 1880 Total Pages: 1440 Get eBook