Patents by Inventor William Robert Dorr

William Robert Dorr 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: 20110059719
    Abstract: A portable emergency call device has a single activation button to establish two way communications with an emergency call center. It is not a standard telephone and does not receive any incoming calls and can place outgoing calls only to the designated emergency call center. There is an advantage to making it waterproof.
    Type: Application
    Filed: September 8, 2009
    Publication date: March 10, 2011
    Inventors: Steven Spielvogel, William Robert Dorr
  • Patent number: D636371
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: April 19, 2011
    Inventors: Steven Spielvogel, William Robert Dorr