Patents by Inventor Richard Joseph Gergatz

Richard Joseph Gergatz 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).

  • Grading cylinder
    Patent number: D832324
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: October 30, 2018
    Assignee: ArrowCorp Inc.
    Inventor: Richard Joseph Gergatz