Patents Assigned to Firma Walter Hebel GmbH & Co.
  • Drawing board
    Patent number: 4138818
    Abstract: Drawing board having a clamping bar to hold a sheet of paper in place and having two magnetic portions inclined to one another.
    Type: Grant
    Filed: November 30, 1977
    Date of Patent: February 13, 1979
    Assignee: Firma Walter Hebel GmbH & Co.
    Inventor: Walter Hebel