Patents by Inventor Harold Eckman

Harold Eckman 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: D246011
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: October 11, 1977
    Inventor: Harold Eckman