Patents by Inventor Ariel Walersztajn

Ariel Walersztajn 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).

  • Secure messaging using caller identification
    Publication number: 20100031319
    Abstract: A method of securing an electronic message from a sender to a recipient comprising the step of restricting access to content of message at a recipient terminal unless an session is opened by transmission of a signal from equipment of the recipient via a second communication channel.
    Type: Application
    Filed: August 3, 2009
    Publication date: February 4, 2010
    Applicant: PostalGuard Ltd.
    Inventors: Ram Cohen, Ariel Walersztajn