This book is designed as a guide for the preparation and examination of entries in the TVTyme.net website. Being the compilation of the North American Industry Classification System, the guide can be used for other purposes dealing with products and services prevalent in the North American Continent. Prospectors, traders, merchants, manufacturers, consultants, etc. from all over the world, who like to penetrate certain market niches in North America may find this book a necessary resource. The book is structured such that one is never more than a page away (forward or backward) from the...

United States Patent No. US 9,300,847 B2 was granted to the author/inventor on March 29, 2016 for his invention of Digital Camera Lens Guard and Use Extender. In a Do-It-Yourself manner the author/inventor initiated the applications for the patent, from inception to the final grant.

PatenTRAIL shows in actual pages the certificate granting patent rights to the author/inventor. The Patent, being complete with the processing requirements of a bona fide application, is used as a goal for developing this book. The author/inventor, without any previous background pertaining to patents,...