Patents by Inventor Gregorio Tan

Gregorio Tan 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).

  • Pre-cut plastic bag roll, method and apparatus for making same
    Publication number: 20060194684
    Abstract: A polyethylene produce bag roll includes a plurality of plastic film bags joined to one another with a perforation line. The perforation line is slit at at least one end for a first predetermined distance to aid in tearing the bag from the roll. The perforation may also include a chisel cut to aid in removing bags from the roll in a dispenser equipped with a perforation parting means. The bags may be gusseted or ungusseted. Outer surfaces of the bags are corona treated to enhance adhesion of printing ink to the bags. The bag roll may be cored or uncored.
    Type: Application
    Filed: April 14, 2006
    Publication date: August 31, 2006
    Inventor: Gregorio Tan
  • Pre-cut plastic bag roll, method and apparatus for making same
    Publication number: 20050259892
    Abstract: A polyethylene produce bag roll includes a plurality of plastic film bags joined to one another with a perforation line. The perforation line is slit at at least one end for a first predetermined distance to aid in tearing the bag from the roll. The perforation may also include a chisel cut to aid in removing bags from the roll in a dispenser equipped with a perforation parting means. The bags may be gusseted or ungusseted. Outer surfaces of the bags are corona treated to enhance adhesion of printing ink to the bags. The bag roll may be cored or uncored.
    Type: Application
    Filed: May 20, 2004
    Publication date: November 24, 2005
    Inventor: Gregorio Tan