Patents by Inventor Angelo DiBiagio

Angelo DiBiagio 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: 5269104
    Abstract: This disclosure relates to a work preparation device for sequentially conditioning a tubular workpiece. The device has a battery operated motor that operates gear means that rotates a horizontal shaft. At the ends of the shaft is a male abrasive tool and a female abrasive tool. The distance between the ends of the abrasive tools is preferably less than about six inches so that the device could function in small spaces.
    Type: Grant
    Filed: March 25, 1992
    Date of Patent: December 14, 1993
    Inventor: Angelo DiBiagio