Patents by Inventor Jan Royce

Jan Royce 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).

  • Publication number: 20100145274
    Abstract: Rendering conspicuous liquid medicaments which are conventionally supplied as colorless liquids. A coloring agent may be added to the conventionally colorless liquid. Where different liquid medicaments are supplied, coloring agents of different hues may be added to the respective different liquid medicaments. A syringe for dispensing liquids may be provided with a temperature responsive device which changes in appearance so as to indicate level of liquid medicament loaded thereinto, responsively to temperature of the liquid medicament.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 10, 2010
    Inventor: Jan Royce