Gibson is selling self tuning guitars. The Powertune system was developed by German engineer Chris Adams, and is being distributed by Gibson as an option on their guitars, with a price tag of $899.
Gibson
Gibson Les Paul original patent
Google's new free patent search engine is a great way of researching guitar history. If you type "McCarty guitar" into the search box you can view the original 1955 patent documents for the Les Paul Guitar. You can also access the 1957 patents for the Gibson Explorer, Flying V and the rare Moderne model.
