Patents by Inventor John E. Doster, JR.

John E. Doster, JR. 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).

  • Multi-purpose drywall installation tool
    Patent number: 9656379
    Abstract: A multi-purpose tool that provides a hammer, a hatchet, a cutting blade, a lift support, a screw puller and a rasp for use in the installation of drywall sheets used in constructing walls within buildings.
    Type: Grant
    Filed: February 15, 2015
    Date of Patent: May 23, 2017
    Inventor: John E. Doster, Jr.
  • MULTI-PURPOSE DRYWALL INSTALLATION TOOL
    Publication number: 20150231776
    Abstract: A multi-purpose tool that provides a hammer, a hatchet, a cutting blade, a lift support, a screw puller and a rasp for use in the installation of drywall sheets used in constructing walls within buildings.
    Type: Application
    Filed: February 15, 2015
    Publication date: August 20, 2015
    Inventor: John E. Doster, JR.