Patents by Inventor Erie M. Harvey

Erie M. Harvey 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).

  • Patent number: 4649687
    Abstract: A high temperature resistant refractory mortarless joint wall and method made from pre-formed, unburned plastic refractory blocks having siliceous clay, and from ten percent to seventy-five percent pyrophyllite, by weight, and workability from twenty percent to forty percent when erected before drying and firing.
    Type: Grant
    Filed: December 15, 1981
    Date of Patent: March 17, 1987
    Assignee: Resco Products, Inc.
    Inventor: Erie M. Harvey