Patents by Inventor Andreas Prey

Andreas Prey 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: 6411707
    Abstract: In a circuit arrangement and method for announcement control, with a processing unit of a call distributor unit, announcements already forwarded to a caller as well as a current status of the announcement are determined and a called party is informed thereof. In response thereto, the called party can intentionally end the announcement.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: June 25, 2002
    Assignee: Siemens Aktiengesellschaft
    Inventor: Andreas Prey