Patents by Inventor Vieno Reino Pajala

Vieno Reino Pajala 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).

  • Device for spreading mixtures of primary colors in fluid form
    Patent number: 3942902
    Abstract: This invention relates to a method for spreading mixtures of primary colors in fluid form by means of a spreading device, such as a drawing or painting device, having containers for colors and thinner connected to a spreading or painting element.
    Type: Grant
    Filed: March 7, 1974
    Date of Patent: March 9, 1976
    Inventors: Vieno Reino Pajala, Maija-Liisa Pajala