Patents by Inventor Howard L. Green

Howard L. Green 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: D243052
    Type: Grant
    Filed: November 22, 1974
    Date of Patent: January 18, 1977
    Inventor: Howard L. Green
  • Patent number: D256268
    Type: Grant
    Filed: August 23, 1978
    Date of Patent: August 5, 1980
    Inventors: Howard L. Green, Clair W. Wood