Patents by Inventor Robert Charneski

Robert Charneski 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: 5133269
    Abstract: This invention is comprised of an auger with fixed or replaceable tips designed to cut openings through sheet plastic or fiberglass ground coverings and drill, in a continuous operation, an appropriate diameter hole for planting seedlings or seeds as may be desired. This invention is comprised of a shaft with spiral auger and a cutting tip with a cylindrical cutting edge and a recessed drilling point as an assembly which is removably attached to the shaft with flights on it. The device can be driven by a conventional electric drill with a one-half inch chuck.
    Type: Grant
    Filed: July 5, 1990
    Date of Patent: July 28, 1992
    Inventor: Robert Charneski