Patents by Inventor Anthony J. Grewe

Anthony J. Grewe 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).

  • Video telephone station
    Patent number: D315557
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: March 19, 1991
    Assignee: AT&T Bell Laboratories
    Inventors: Anthony J. Grewe, John N. McGarvey, Michael P. Zambelli
  • Video telephone set
    Patent number: D321870
    Type: Grant
    Filed: November 23, 1990
    Date of Patent: November 26, 1991
    Assignee: AT&T Bell Laboratories
    Inventors: Robert L. Beecher, II, Anthony J. Grewe, Jonathan A. Marks, John N. McGarvey, Louis D. Vining, Michael P. Zambelli
  • Telephone handset
    Patent number: D342261
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: December 14, 1993
    Assignee: AT&T Bell Laboratories
    Inventors: Anthony J. Grewe, Daniel K. Harden, Sonja Schiefer, Steven J. Shiozaki, David C. Stowers, Michael P. Zambelli
  • Video telephone station
    Patent number: D345971
    Type: Grant
    Filed: December 2, 1992
    Date of Patent: April 12, 1994
    Assignee: AT&T Bell Laboratories
    Inventors: Anthony J. Grewe, John N. McGarvey, Michael P. Zambelli
  • Video telephone set
    Patent number: D345972
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: April 12, 1994
    Assignee: AT&T Bell Laboratories
    Inventors: Anthony J. Grewe, John N. McGarvey, Michael P. Zambelli