Patents by Inventor Mark G. Coppejans

Mark G. Coppejans 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: 5528966
    Abstract: The present invention describes a new and novel screwdriver head designed for use specifically with combo screws or uni-screws. The screwdriver head has a shank and a head having opposite mounted single straight ribs or blades of the type used on a standard flat-bladed screwdriver, and, perpendicular thereto, a pair of ribs of the Phillips headed screwdriver type. In between the pairs of ribs are recessed areas for connecting with the walls of the combo-screws.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: June 25, 1996
    Inventor: Mark G. Coppejans