Patents by Inventor Werner Dratz

Werner Dratz 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).

  • Packaging unit for pipette tips
    Patent number: 5445270
    Abstract: A packaging unit for pipette tips that have at their back ends a push-on sleeve having an annular edge. A planar, plate-shaped, thin carrier that is rectangular in plan view has on its top side a layer of a pressure adhesive. The pipette tips are detachably glued on the carrier by their annular edges in equidistant rows and columns.
    Type: Grant
    Filed: July 7, 1994
    Date of Patent: August 29, 1995
    Assignee: Carl Roth GmbH Co.
    Inventor: Werner Dratz