Patents by Inventor Frederick Vincent Caroprese

Frederick Vincent Caroprese 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).

  • Square hole saw
    Patent number: 10081067
    Abstract: A tool that cuts a hole for a single or double electric gang” switch” box. By having four blades, all cutting at the same time and in the shape of the switch box, a more accurate and appropriately placed hole may be provided. The hole saw may be configured with two centering drills so the tool is guided into the cut. An eccentric drive mechanism converts a rotary drive into reciprocating movement of perpendicularly opposed pairs of blades to cut a rectangular opening.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: September 25, 2018
    Inventor: Frederick Vincent Caroprese
  • SQUARE HOLE SAW
    Publication number: 20170001252
    Abstract: A tool that cuts a hole for a single or double electric gang” switch” box. By having four blades, all cutting at the same time and in the shape of the switch box, a more accurate and appropriately placed hole may be provided. The hole saw may be configured with two centering drills so the tool is guided into the cut. An eccentric drive mechanism converts a rotary drive into reciprocating movement of perpendicularly opposed pairs of blades to cut a rectangular opening.
    Type: Application
    Filed: July 1, 2016
    Publication date: January 5, 2017
    Inventor: Frederick Vincent Caroprese