Patents by Inventor Jack T. Steinbacher

Jack T. Steinbacher 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 making a shell mold
    Patent number: 4050500
    Abstract: A stronger, thinner shell mold suitable for making cast metal parts comprises a base member of resin bonded sand and a second surfacing layer of a cured thermosetting binder material. Also disclosed is a method for forming the new shell mold.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: September 27, 1977
    Assignee: Eaton Corporation
    Inventor: Jack T. Steinbacher