Patents by Inventor Al Viola

Al Viola 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: 6283450
    Abstract: A portable pulling iron including a base portion adapted for coupling with respect to a manhole. The base portion includes a pair of opposed vertically oriented segments. Each of the vertically oriented segments has an upper end and a lower end. The vertically oriented segments each have a pair of tabs extending outwardly from the lower ends thereof. Each of the tabs has an aperture therethrough. The upper ends have a horizontal plate extending therebetween. The horizontal plate has a central opening therethrough. The central opening has a support rod extending therein between the upper ends of the vertically oriented segments. An angle iron is secured to the horizontal plate of the base portion. The angle iron is parallel with the vertically oriented segments. A length of chain is provided having opposed free ends secured to the upper ends of the vertically oriented segments of the base portion.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: September 4, 2001
    Inventor: Al Viola