Patents by Inventor John Halpern

John Halpern 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: 20060239453
    Abstract: Two versions of a variable word length encryption method are discussed. The methods are adapted for providing the means for long-term confidential transmission of printed characters, pictures, and voice dialogues over telephone lines or the Internet.
    Type: Application
    Filed: June 13, 2006
    Publication date: October 26, 2006
    Inventor: John Halpern