Patents by Inventor Steven D. Sherlin

Steven D. Sherlin 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: D308295
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: June 5, 1990
    Inventor: Steven D. Sherlin
  • Patent number: D322197
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: December 10, 1991
    Inventor: Steven D. Sherlin