Patents by Inventor Maurice A. Ditmars

Maurice A. Ditmars 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).

  • Method of making a foldable tubular package
    Patent number: 3984268
    Abstract: A laminated settable tubular package is disclosed having integral end and body portions of the same material. The tubular package is formed with a process and apparatus which permits head and shoulder portions to be formed as a continuation of the tubular body through folding and shaping operations. The package is substantially impermeable and has particular use for containing toothpaste, essential perfumes, oils, solvents, flavorings, and other substances in which permeation of the atmosphere and/or volatization losses are problems.
    Type: Grant
    Filed: November 6, 1972
    Date of Patent: October 5, 1976
    Assignee: Dart Industries Inc.
    Inventors: George H. Holoubek, David E. Ales, Harland E. Harms, Warren E. Erickson, Maurice A. Ditmars, J. Keith Brookhart