Patents by Inventor Mark E. Ebensperger

Mark E. Ebensperger 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).

  • Coater die grinding and finishing method
    Patent number: 5655948
    Abstract: Methods of finishing and microfinishing the edges of a die component are disclosed. Each edge is polished to finish the edge of the die component to a smoother finish than the rest of the die component. This eliminates the incidence of undesirable streaking defects in the coating. The grinding and polishing includes placing a grind fixture adjacent the die component contiguous with the edge to present a grind fixture surface coplanar with the first surface of the edge, then grinding and polishing together the first surface of the edge of the die component and the adjacent grind fixture surface are polished. This is repeated for the second surface of the edge.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: August 12, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Robert A. Yapel, Thomas M. Milbourn, Ronald A. Hanke, Alberto Goenaga, Mark E. Ebensperger