Patents by Inventor Monroe A. Armstrong

Monroe A. Armstrong 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: 5002037
    Abstract: A smokestack including an elongated tube means having an open bottom end for receiving smoke emanating from a campfire and an open top end for releasing the smoke into the atmosphere, and a base for supporting the tube means with its open bottom end directly above the campfire and defining openings that provide physical and visual access thereto. The elongated tube comprises a top tube section defining the open top end and a plurality of longitudinally distributed lower tube sections, each including a support surface for demountably supporting a directly upwardly adjacent tube section. Retained by one of the lower tube sections is a cooking grate disposed directly adjacent to an upper end thereof and a door providing access to the grate is retained by another of the tube sections supported by the one tube section.
    Type: Grant
    Filed: May 9, 1990
    Date of Patent: March 26, 1991
    Inventors: Monroe A. Armstrong, Marty A. Armstrong
  • Patent number: 4875462
    Abstract: A smokestack including an elongated tube means having an open bottom end for receiving smoke emanating from a campfire and an open top end for releasing the smoke into the atmosphere, and a base for supporting the tube means with its open bottom end directly above the campfire and defining openings that provide physical and visual access thereto. The elongated tube comprises a plurality of tube sections distributed along a longitudinal axis and having ends joined to form a composite tube.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: October 24, 1989
    Inventors: Monroe A. Armstrong, Marty A. Armstrong