Patents by Inventor Arthur C. Gwin, Sr.

Arthur C. Gwin, Sr. 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: 6128982
    Abstract: A spring-loaded screwdriver with cover and changeable heads for covering an entire screw to guide it directly into its threading hole. The device includes a handle portion having an outer end and an inner end. An outer cylinder is secured to the outer end of the handle portion. The outer cylinder has a closed inner end, an open outer end and a cylindrical side wall therebetween. The outer cylinder has a spring disposed interiorly thereof. An inner cylinder is slidably received within the open outer end of the outer cylinder. The inner cylinder has an open inner end and an open outer end. The open inner end of the inner cylinder abuts an outer end of the spring. A magnetized shaft is secured to the inner end of the cylindrical handle and extends within the outer cylinder and through the spring. The magnetized shaft has a hexagonal shaped recess formed within a free end thereof.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: October 10, 2000
    Inventor: Arthur C. Gwin, Sr.