Patents by Inventor Harry J. Addison, Jr.

Harry J. Addison, Jr. 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 for accurately varying the density of a powder or powder charge, and shrink tubes for use therewith
    Patent number: 3968724
    Abstract: Plastic shrink tubes, when filled loosely with explosive powders, and sealed and heated to temperatures of about 300.degree. - 600.degree.F, will shrink and uniformly compress the powders contained therewithin along the length thereof to produce a powder of constant linear density useful in providing constant velocity detonations.
    Type: Grant
    Filed: October 3, 1974
    Date of Patent: July 13, 1976
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: James F. Kowalick, George F. Hare, Harry J. Addison, Jr.