Patents Assigned to Firma Merz & Kreel GmbH & Co.
  • Writing implement with coaxial alternately usable tips
    Patent number: 5026189
    Abstract: A writing utensil, in particular a fibre pen, marking pen or liner with two optionally usable, different writing tips is provided which are disposed at the same end of the writing utensil and nested into each other and can thus be jointly supplied by a writing material reservoir.
    Type: Grant
    Filed: April 5, 1990
    Date of Patent: June 25, 1991
    Assignee: Firma Merz & Kreel GmbH & Co.
    Inventor: Georg Keil