Patents by Inventor Hans-Albert Kreylos

Hans-Albert Kreylos 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).

  • Method of manufacturing dentures
    Patent number: 4627136
    Abstract: A method of manufacturing of artificial teeth, in which a primary and a secondary part of the artificial tooth or the denture are preformed, then grooves for receiving a connecting element are produced in both parts by sparking erosion, and the connecting element is inserted thereafter into the secondary and primary parts. In order to precisely align the grooves in both parts of the denture those grooves may be formed by sparking erosion in one working step.
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: December 9, 1986
    Assignee: Guenter Ruebeling
    Inventors: Hans-Albert Kreylos, Manfred P. Zeiser