Patents by Inventor Herbert J. MacDonald

Herbert J. MacDonald 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).

  • Exploding foil detonator
    Patent number: 4602565
    Abstract: An exploding foil detonator for explosives in which an exploding bridge shears a foil and drives a piece of that foil against an explosive to detonate the latter.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: July 29, 1986
    Assignee: Reynolds Industries Inc.
    Inventors: Herbert J. MacDonald, Robert E. Zoret