Patents by Inventor Ulrich Skrypalle

Ulrich Skrypalle 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).

  • Portable radio telephone communications instrument
    Patent number: D300218
    Type: Grant
    Filed: March 11, 1987
    Date of Patent: March 14, 1989
    Assignee: Siemens Aktiengesellschaft
    Inventor: Ulrich Skrypalle
  • Telephone
    Patent number: D375095
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: October 29, 1996
    Assignee: Siemens Rolm Communications Inc.
    Inventors: Stefan Hillenmayer, Ulrich Skrypalle, Wayne E. McKinnon, David E. Bryant, Mary E. Kingsbury, Erich C. Elkins, Doug A. Erwin
  • Telephone key expansion unit
    Patent number: D387063
    Type: Grant
    Filed: June 15, 1995
    Date of Patent: December 2, 1997
    Assignee: Siemens Rolm Communications Inc.
    Inventors: Stefan Hillenmayer, Ulrich Skrypalle, Wayne E. McKinnon, David E. Bryant, Mary E. Kingsbury, Erich C. Elkins, Doug A. Erwin
  • Telephone
    Patent number: D389142
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: January 13, 1998
    Assignee: Siemens Business Communication Systems, Inc.
    Inventors: Joel Q. Adams, Harald F. Bader, David E. Bryant, Erich C. Elkins, Doug A. Erwin, Wayne E. McKinnon, Ulrich Skrypalle
  • Telephone
    Patent number: D392284
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: March 17, 1998
    Assignee: Siemens Business Communications Systems
    Inventors: Joel Q. Adams, Harald F. Bader, David E. Bryant, Erich C. Elkins, Doug A. Erwin, Wayne E. McKinnon, Ulrich Skrypalle
  • Mobile radiotelephone device
    Patent number: D406132
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: February 23, 1999
    Assignee: Siemens Aktiengesellschaft
    Inventor: Ulrich Skrypalle