Patents by Inventor Gordon E. Sylvester

Gordon E. Sylvester 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: D284764
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: July 22, 1986
    Assignee: AT&T Technologies, Inc.
    Inventors: Christian J. Felix, Donald M. Genaro, Gordon E. Sylvester
  • Patent number: D285076
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: August 12, 1986
    Assignee: AT&T Bell Laboratories
    Inventors: William J. Proetta, Gordon E. Sylvester, Alvin R. Tilley
  • Patent number: D285305
    Type: Grant
    Filed: May 4, 1984
    Date of Patent: August 26, 1986
    Assignee: AT&T Bell Laboratories
    Inventors: James G. Liuzzo, William J. Proetta, Gordon E. Sylvester, Alvin R. Tilley
  • Patent number: D285306
    Type: Grant
    Filed: August 15, 1985
    Date of Patent: August 26, 1986
    Assignee: AT&T Information Systems Inc.
    Inventors: Richard M. Joffe, Oskar Loosme, Gordon E. Sylvester
  • Patent number: D286533
    Type: Grant
    Filed: November 23, 1983
    Date of Patent: November 4, 1986
    Assignee: AT&T Information Systems Inc.
    Inventors: Cristian J. Felix, Thomas J. Kelly, Richard F. Nelson, Jr., Gordon E. Sylvester, Daniel W. Tyler
  • Patent number: D288445
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: February 24, 1987
    Assignee: AT&T Bell Laboratories
    Inventors: Gordon E. Sylvester, Alvin R. Tilley, Robert R. Wyckoff
  • Patent number: D289240
    Type: Grant
    Filed: September 21, 1984
    Date of Patent: April 14, 1987
    Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories
    Inventors: Gordon E. Sylvester, Alvin R. Tilley, Robert R. Wyckoff
  • Patent number: D289284
    Type: Grant
    Filed: January 30, 1986
    Date of Patent: April 14, 1987
    Assignee: AT&T Company and AT&T Information Systems Inc.
    Inventors: Joseph J. Giordano, Jr., Richard M. Joffe, Oskar Loosme, Gordon E. Sylvester
  • Patent number: D289285
    Type: Grant
    Filed: January 30, 1986
    Date of Patent: April 14, 1987
    Assignee: AT&T Company and AT&T Information Systems Inc.
    Inventors: Joseph J. Giordano, Jr, Richard M. Joffe, Oskar Loosme, Gordon E. Sylvester
  • Patent number: D290006
    Type: Grant
    Filed: October 20, 1983
    Date of Patent: May 26, 1987
    Assignees: American Telephone and Telegraph (AT&T), AT&T Information Systems
    Inventors: David P. Frost, Gordon E. Sylvester
  • Patent number: D290703
    Type: Grant
    Filed: March 22, 1985
    Date of Patent: July 7, 1987
    Assignees: American Telephone and Telegraph Company, AT&T Information Systems Inc., Convergent Technologies, Inc.
    Inventors: Alvin D. Day, Stephen G. Miggels, Michael J. Nuttall, Gordon E. Sylvester
  • Patent number: D294028
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: February 2, 1988
    Assignee: American Telephone and Telegraph Company, AT&T Information Systems
    Inventors: Randall S. Duell, Daniel K. Harden, Chris G. Johnson, Gordon E. Sylvester
  • Patent number: D294496
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: March 1, 1988
    Assignee: American Telephone & Telegraph Company, AT&T Information Systems Inc.
    Inventors: Golub Drakulovic, Charles F. Liebler, Larry Sliker, Thomas L. Stahly, Donald E. Still, Gordon E. Sylvester
  • Patent number: D294500
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: March 1, 1988
    Assignee: American Telephone & Telegraph Company, AT&T Information Systems Inc.
    Inventors: Golub Drakulovic, Charles F. Liebler, Larry Sliker, Thomas L. Stahly, Donald E. Still, Gordon E. Sylvester
  • Patent number: D294943
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: March 29, 1988
    Assignees: American Telephone and Telegraph Company, AT&T Information Systems Inc., Convergent Technologies, Inc.
    Inventors: Alvin D. Day, Stephen G. Miggels, Michael J. Nuttall, Gordon E. Sylvester
  • Patent number: D295748
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: May 17, 1988
    Assignees: American Telephone & Telegraph Company, AT&T Information Systems Inc., Convergent Technologies, Inc.
    Inventors: Alvin D. Day, Stephen G. Miggels, Michael J. Nuttall, Gordon E. Sylvester
  • Patent number: D296329
    Type: Grant
    Filed: July 1, 1987
    Date of Patent: June 21, 1988
    Assignees: American Telephone and Telegraph Company, AT&T Information Systems Inc., Convergent Technologies, Inc.
    Inventors: Alvin D. Day, Stephen G. Miggels, Michael J. Nuttall, Gordon E. Sylvester
  • Patent number: D302267
    Type: Grant
    Filed: August 8, 1986
    Date of Patent: July 18, 1989
    Assignees: American Telephone and Telegraph Company, AT&T Information Systems Inc.
    Inventors: Donald M. Genaro, Thomas J. Kelly, Stephen G. Miggels, Gordon E. Sylvester
  • Patent number: D341586
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: November 23, 1993
    Assignee: AT&T Bell Laboratories
    Inventors: Maria G. Alvarez-Ryan, Paul E. Crouch, Pratod V. Kasbekar, Bernard T. Lee, Jonathan A. Marks, Thomas L. Stahly, Gordon E. Sylvester, Alvin R. Tilley, Michael P. Zambelli
  • Patent number: D348469
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: July 5, 1994
    Assignee: AT&T Bell Laboratories
    Inventors: Chris G. Johnson, John H. Schaffeld, Richard J. Schneebeli, Jr., Gordon E. Sylvester