Patents by Inventor Daniel F. Groth

Daniel F. Groth 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: D244148
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: April 26, 1977
    Inventor: Daniel F. Groth
  • Patent number: D249074
    Type: Grant
    Filed: August 26, 1977
    Date of Patent: August 22, 1978
    Inventor: Daniel F. Groth