Patents and How to Get One, by U.S. Department of Commerce 64666 [Subtitle: A Practical Handbook] [Link: https://www.gutenberg.org/6/4/6/6/64666 ] [Files: 64666-0.txt; 64666-h.htm] Thanks to Richard Tonsing and The Online Distributed Proofreading Team at https://www.pgdp.net Regards, Al