Patents by Inventor Michael Zaleski

Michael Zaleski 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).

  • Patent number: 5737701
    Abstract: A communications system is designed to exempt communications services users, such as wireless communications subscribers and calling card callers, from entering an authentication code for calls directed to pre-selected destination numbers, notwithstanding the authentication code entry requirement implemented by the communications services provider for all other calls.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: April 7, 1998
    Assignee: AT&T Corp.
    Inventors: Eugene J. Rosenthal, David Phillip Silverman, Michael Zaleski