Patents Assigned to Martin I. Davis
  • 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