Patents by Inventor Drew R. Smith

Drew R. Smith 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).

  • Identification label
    Patent number: D257562
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: November 25, 1980
    Inventor: Drew R. Smith
  • Identification label
    Patent number: D261905
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: November 17, 1981
    Inventor: Drew R. Smith