Patents by Inventor Davey S. Haas

Davey S. Haas 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).

  • Patent number: 4152988
    Abstract: A method of making an electric match having an electrical assembly of a p of lead-in wires and a bridge wire comprising dipping said electrical assembly into a pyrotechnic composition comprised of magnesium, polytetrafluoroethylene, and fluorocarbon rubber, and then drying said pyrotechnic composition to form a match head around said bridge wire. A waterproofing coating is applied to the match head by dipping into an epoxy coating composition.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: May 8, 1979
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Davey S. Haas, Claude D. Helton