Patents by Inventor Valter Swedberg

Valter Swedberg 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: 4529841
    Abstract: The central unit of a PABX telephone system includes an associated computer unit that operates to provide visual information to an operator when calls to an extension in the system are to be intercepted. The associated computer unit includes a memory into which a subscriber to the system enters information relating to the reason his calls are to be intercepted, or the like. Any calls to the intercepted extension are routed to the operator, who is simultaneously provided with a visual display of the information stored in the computer memory.
    Type: Grant
    Filed: June 20, 1984
    Date of Patent: July 16, 1985
    Inventors: Jan Andersson, Valter Swedberg, Benjamin Trok, Kurt Paulsson