Patents by Inventor Paul Valfrid Gustafsson

Paul Valfrid Gustafsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Coin structure
    Patent number: 9414654
    Abstract: Coins and tokens manufactured from metal(s), alloy(s) or metal containing material(s). More specifically, they relate to coin structures which enable a coin to be nondestructively authenticated by an ultrasonic measurement. The core part of coin or token includes 2-16 cavities that are not visible from the exterior of the coin or token. Additionally, the core part or coin or token includes at least one part having a different volume microstructure than the rest of the core part.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: August 16, 2016
    Assignee: MINT OF FINLAND LTD.
    Inventors: Paul Valfrid Gustafsson, Matti Johannes Rastas, Tuomas Mikael Pinomaa
  • COIN STRUCTURE
    Publication number: 20150282576
    Abstract: Coins and tokens manufactured from metal(s), alloy(s) or metal containing material(s). More specifically, they relate to coin structures which enable a coin to be nondestructively authenticated by an ultrasonic measurement. The core part of coin or token includes 2-16 cavities that are not visible from the exterior of the coin or token. Additionally, the core part or coin or token includes at least one part having a different volume microstructure than the rest of the core part.
    Type: Application
    Filed: October 19, 2012
    Publication date: October 8, 2015
    Inventors: Paul Valfrid Gustafsson, Matti Johannes Rastas, Tuomas Mikael Pinomaa