Patents by Inventor Henry Mike Stephens

Henry Mike Stephens 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).

  • Polylactic acid blown film and method of manufacturing same
    Patent number: 8133558
    Abstract: The invention provides polylactic acid (PLA) films substantially free of plasticizers and methods of manufacturing same by blown film process are provided. PLA films are environmentally degradable and have applications in, at least, packaging and labeling.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: March 13, 2012
    Assignee: Plastics Suppliers, Inc.
    Inventors: Edward Carl Tweed, Henry Mike Stephens, Theodore Emil Riegert
  • POLYLACTIC ACID BLOWN FILM AND METHOD OF MANUFACTURING SAME
    Publication number: 20100056689
    Abstract: The invention provides polylactic acid (PLA) films substantially free of plasticizers and methods of manufacturing same by blown film process are provided. PLA films are environmentally degradable and have applications in, at least, packaging and labeling.
    Type: Application
    Filed: November 6, 2009
    Publication date: March 4, 2010
    Inventors: Edward Carl TWEED, Henry Mike Stephens, Theodore Emil Riegert
  • Polylactic acid blown film and method of manufacturing same
    Patent number: 7615183
    Abstract: The invention provides polylactic acid (PLA) films substantially free of plasticizers and methods of manufacturing same by blown film process are provided. PLA films are environmentally degradable and have applications in, at least, packaging and labeling.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: November 10, 2009
    Assignee: Plastic Suppliers, Inc.
    Inventors: Edward Carl Tweed, Henry Mike Stephens, Theodore Emil Riegert
  • POLYLACTIC ACID BLOWN FILM AND METHOD OF MANUFACTURING SAME
    Publication number: 20080280081
    Abstract: The invention provides polylactic acid (PLA) films substantially free of plasticizers and methods of manufacturing same by blown film process are provided. PLA films are environmentally degradable and have applications in, at least, packaging and labeling.
    Type: Application
    Filed: July 25, 2008
    Publication date: November 13, 2008
    Inventors: Edward Carl TWEED, Henry Mike STEPHENS, Theodore Emil RIEGERT