Patents by Inventor Konrad Bergius

Konrad Bergius 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).

  • Chairlift unit
    Patent number: D307021
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: April 3, 1990
    Assignee: Von Roll Transportsysteme AG
    Inventors: Konrad Bergius, Hans-Werner Mattis
  • Chairlift unit with a pivotable canopy
    Patent number: D307246
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: April 17, 1990
    Assignee: Von Roll Transportsysteme AG
    Inventors: Konrad Bergius, Hans-Werner Mattis