Weird Patent of the Day
Twin curling iron
A pair of elongated levers, pivotally connected, that are relatively swingable in closely adjacent parallel planes. Each of the first pair of lever ends includes a pair of generally parallel end portions, so the iron can work two locks of hair at once.
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.