Patents by Inventor Eric Alberts

Eric Alberts 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).

  • Removable adapter for a power-driven screwdriver
    Patent number: 5564717
    Abstract: An adapter for a hand-operated power driven screwdriver and accommodating at least part of the barrel. A drill bit chuck is rotatably mounted in the adapter, and the chuck is driven by the engagement of the tip end of the screwdriver with a screw head mounted in the end of the rotatable chuck on the axis of rotation. The chuck accommodates a cutting tool, such as a drill bit, for drilling guide holes for screws into a surface. The adaptor can be removed from the power driven screwdriver to drive screws into the guide holes.
    Type: Grant
    Filed: July 19, 1995
    Date of Patent: October 15, 1996
    Inventor: Eric Alberts