Patents by Inventor Albert Schr oder

Albert Schr oder 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 and apparatus for making a mold for duplicating a positive master
    Patent number: 5599491
    Abstract: An apparatus for making a mold for forming positive models identical to a positive master has upper and lower mold shells having confronting and contiguous rims lying in respective planes. The shells are dimensioned when juxtaposed to spacedly contain the master. A clamp is engageable with the shells generally at the rims to hold the shells together with the plane of their rims spaced apart.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: February 4, 1997
    Assignee: Krupp Medizintechnik GmbH
    Inventors: Benedikt Pollock, Albert Schr oder