Patents by Inventor Alice B. Parsons

Alice B. Parsons 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: 5725956
    Abstract: A method and material is disclosed for protecting glass surfaces in a stack of glass sheets by applying an interleaving material comprised of a high molecular weight polymer having a number average molecular weight of at least 200,000 to one or both major surfaces of the glass sheets. The glass sheets are then stacked in face-to-face relation for shipment or storage.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: March 10, 1998
    Assignee: Libbey-Owens-Ford Co.
    Inventors: Richard J. McCurdy, Kenneth J. Heater, Alice B. Parsons, J. David Robbins
  • Patent number: 5609924
    Abstract: A method and material is disclosed for protecting glass surfaces in a stack of glass sheets by applying an interleaving material comprised of polyethylene having a number average molecular weight of at least 150,000 to one or both major surfaces of the glass sheets. The glass sheets are then stacked in face-to-face relation for shipment or storage.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: March 11, 1997
    Assignee: Libbey-Owens-Ford Co.
    Inventors: Richard J. McCurdy, Kenneth J. Heater, Alice B. Parsons, J. David Robbins
  • Patent number: 5451457
    Abstract: A method and material is disclosed for protecting glass surfaces in a stack of glass sheets by applying an interleaving material comprised of polyethylene having a number average molecular weight of at least 100,000 to one or both major surfaces of the glass sheets. The glass sheets are then stacked in face-to-face relation for shipment or storage.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: September 19, 1995
    Assignee: Libbey-Owens-Ford Co.
    Inventors: Richard J. McCurdy, Kenneth J. Heater, Alice B. Parsons, J. David Robbins