Patents by Inventor D. Dwayne Broom

D. Dwayne Broom 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: 4141146
    Abstract: A device for planting a garden in straight rows comprising two stakes and a line held taut between the stakes, one end of the line being wound around a spool mounted to a clip of adjustable height on one stake and the other end of the line being affixed to a clip of adjustable height on the other stake. The device further comprises a distance measuring means attached to at least one of the stakes to locate the next row.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: February 27, 1979
    Inventor: D. Dwayne Broom