Patents by Inventor Robert M. Ashbeck

Robert M. Ashbeck 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).

  • Sealing closure for a flexible container
    Patent number: 4541117
    Abstract: A sliding closure device for flexible plastic containers provides a strong closure with an effective vapor and moisture barrier, still allowing the container to be collapsible.
    Type: Grant
    Filed: July 28, 1983
    Date of Patent: September 10, 1985
    Assignees: Martin I. Davis, Kenneth M. Dewing
    Inventor: Robert M. Ashbeck