Weird Patent of the Day
Sun tatoo form
A means for causing a temporary tattoo on the human skin. A mask is placed over any desired portion of a person's body, and the surrounding skin is exposed to actinic rays such as the sun's rays or the rays of an ultraviolet lamp.
Source: United States Patent and Trademark Office, www.uspto.gov. Official PDF: USPTO patent PDF. Also at Google Patents. The drawing on this page is a reduced copy of the official figure; see the original drawing.