Patents by Inventor Carleton H. Macartney

Carleton H. Macartney 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).

  • Dual chambered mixing and dispensing vial
    Patent number: 4950237
    Abstract: A dual chambered vial is equipt with a dislodgeable stopper device between the two chambers, whereby components of a mixture may be maintained in separate chambers until comingling is desired. The stopper is dislodged by means of a plunger activated by depression of flexible walls of one chamber.
    Type: Grant
    Filed: November 1, 1988
    Date of Patent: August 21, 1990
    Assignee: Merck & Co., Inc.
    Inventors: Paul Henault, Carleton H. Macartney, Gilbert Lataix, Ronald G. Saffron