Patents by Inventor Ronald D. Heflin

Ronald D. Heflin 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: 4826047
    Abstract: This invention relates to a hand held, totally integrated dispenser for mixing and dispensing two viscous components. The dispenser includes a hollow plunger within a generally cylindrical outer chamber. The hollow plunger has an open ended container attached to its proximal end. The hollow plunger is used to mix the two viscous components and as a dispensing nozzle.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: May 2, 1989
    Assignee: E. I. Du Pont De Nemours and Company
    Inventor: Ronald D. Heflin