Patents by Inventor Daniel T. Frederick

Daniel T. Frederick 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).

  • Device for preventing plant growth around posts
    Patent number: 8215056
    Abstract: A device for preventing plant growth around a post, comprising an opaque sheet, an opening in the sheet, and a slit extending entirely from the opening to the perimetric edge. A fastener structure is arranged to fasten one of the edge portions to an other of the edge portions in a relationship wherein the edge portions overlap thereby effecting a slope of the sheet downwardly from the opening to the perimetric edge and wherein the opening is shaped to have a first shape when the edge portions are not overlapping and to have a second shape to conform to the post when the edge portions are fastened in the overlapping relationship.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: July 10, 2012
    Inventor: Daniel T. Frederick
  • Device for preventing plant growth around posts
    Publication number: 20110258922
    Abstract: A device for preventing plant growth around a post, comprising an opaque sheet, an opening in the sheet, and a slit extending entirely from the opening to the perimetric edge. A fastener structure is arranged to fasten one of the edge portions to an other of the edge portions in a relationship wherein the edge portions overlap thereby effecting a slope of the sheet downwardly from the opening to the perimetric edge and wherein the opening is shaped to have a first shape when the edge portions are not overlapping and to have a second shape to conform to the post when the edge portions are fastened in the overlapping relationship.
    Type: Application
    Filed: July 24, 2009
    Publication date: October 27, 2011
    Inventor: Daniel T. Frederick