Patents by Inventor Daniel E. Gibson

Daniel E. Gibson 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).

  • Stone scribe
    Patent number: 4934058
    Abstract: Stone Scribe is such that enables the skilled stone mason (specifically one who lays flagstone) to do accurate and precise markings when cutting the stones to fit with tight joints. The Stone Scribe is an uncomplicated set of metal bars set up to be sturdy enough to actually trace the edge of one stone on to another. This tool enables the worker to do professional jobs, minimizing the time spent.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: June 19, 1990
    Inventor: Daniel E. Gibson