Patents by Inventor Joseph Roehrich

Joseph Roehrich 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: D253224
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: October 23, 1979
    Assignee: Doris M. Roehrich
    Inventor: Joseph Roehrich