This capability was a major break-through for PostScript and for Adobe, so much so that Adobe has never filed a patent on it, as the patent-filing process requires the technique to be published, thereby exposing it to competitors.

—Talking about a type-scaling technology used by the Apple LaserWriter, one of the first laser mass-market laser printers. From Steve Jobs and the LaserWriter, an article telling the story of how the LaserWriter came into being.