http://www.patreon.com/ForgottenWeapons Cool Forgotten Weapons merch! http://shop.bbtv.com/collections/forgotten-weapons What is the difference between patents and copyrights? If someone wants to reproduce an old firearm design, how do they get the rights to? Why can't you reproduce a gun design from patent drawings? What information is in a technical data package? This and more, today on How Does It Work! Contact: Forgotten Weapons PO Box 87647 Tucson, AZ 85754