Patented

  • 131DoYouDo — DoYouDo, Inc. is a Beverly Hills, California company that owns the patent to an anonymous matching service designed to detect mutual attraction between friends or acquaintances based on confidential lists they create of people they are interested …

    Wikipedia

  • 132Economics and patents — Patents are legal instruments intended to encourage innovation by providing a limited monopoly to the inventor (or their assignee) in return for the publication of the details of the invention protected by the patent. Innovation is encouraged… …

    Wikipedia