Patents by Inventor Stephen D. Hamill

Stephen D. Hamill 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).

  • Portable cooking device
    Patent number: 4589399
    Abstract: A lightweight, foldable, compact, portable cooking device having a vertical support member which provides a location for adjustable attachment of cooking and fire grates. Cooking and fire grates are hinged and the support member disassembles into multiple segments thereby permitting the entire implement to be collapsed to satisfy compact storage requirements.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: May 20, 1986
    Inventors: Stephen D. Hamill, Arthur A. Knight