Patents Assigned to Manfred Kessler
  • Device for calibrating gas electrodes
    Patent number: 4411151
    Abstract: A device for calibrating gas electrodes inserted into a gas testing container within sterile environment of an operation room is mounted on a movable frame and has one side to be sterilized and carrying a work table with the gas testing container and another side at which a nonsterile person operates. A gas supply unit is mounted on another side of the frame. Those two sides are separated from each other by a yoke which supports gas hoses extended between the gas testing container and the gas supply unit.
    Type: Grant
    Filed: April 29, 1981
    Date of Patent: October 25, 1983
    Assignee: Manfred Kessler
    Inventors: Manfred Kessler, Jens Hoper