Patents by Inventor Paul Graafsma

Paul Graafsma 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: 20190340916
    Abstract: This invention relates generally to mobile personal emergency response systems (MPERS), and more particularly to an improved MPERS with enhanced in-building locating and user audibility.
    Type: Application
    Filed: July 12, 2019
    Publication date: November 7, 2019
    Inventor: Paul Graafsma
  • Publication number: 20170193806
    Abstract: This invention relates generally to mobile personal emergency response systems (MPERS), and more particularly to an improved MPERS with enhanced in-building locating and user audibility.
    Type: Application
    Filed: May 5, 2016
    Publication date: July 6, 2017
    Inventor: Paul Graafsma