Patents by Inventor Carl N. Nickel

Carl N. Nickel 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: D442539
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: May 22, 2001
    Inventor: Carl N. Nickel
  • Patent number: D442908
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: May 29, 2001
    Inventor: Carl N. Nickel