Patents by Inventor Lisa Mae Harris

Lisa Mae Harris 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).

  • Polypropylene recloseable zipper
    Patent number: 6487758
    Abstract: A polypropylene closure arrangement for flexible packages comprises a blend having a polypropylene random copolymer as a base resin with a flexible modifier, and a slip component. The polypropylene closure arrangement 10, 110 is sufficiently flexible to be extruded and coiled around guide wheels similar to the fusion process of a polyethylene closure arrangement. The polypropylene closure arrangement in accordance with the present invention has the ability to be fusibly attached to a polypropylene film or other fusibly compatible thermoplastic material launch conditions.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: December 3, 2002
    Assignee: Eaton Corporation
    Inventors: Gregory Richard Shaffer, Charles Stempka, Lisa Mae Harris
  • Polypropylene recloseable zipper
    Publication number: 20020133919
    Abstract: A polypropylene closure arrangement for flexible packages comprises a blend having a polypropylene random copolymer as a base resin with a flexible modifier, and a slip component. The polypropylene closure arrangement 10, 110 is sufficiently flexible to be extruded and coiled around guide wheels similar to the fusion process of a polyethylene closure arrangement. The polypropylene closure arrangement in accordance with the present invention has the ability to be fusibly attached to a polypropylene film or other fusibly compatible thermoplastic material launch conditions.
    Type: Application
    Filed: March 21, 2001
    Publication date: September 26, 2002
    Applicant: Eaton Corporation
    Inventors: Gregory Richard Shaffer, Charles Stempka, Lisa Mae Harris