Patents by Inventor Douglas C. Rogers

Douglas C. Rogers 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).

  • Pecan cracker
    Patent number: D330150
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: October 13, 1992
    Inventor: Douglas C. Rogers