Patents by Inventor John E. Bartmess

John E. Bartmess 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).

  • Electrochemical sample probe for use in fast-atom bombardment mass spectrometry
    Patent number: 4719349
    Abstract: The utilization of a dual electrode sample probe in a mass spectrometer allows several distinct advantages in chemical analysis when compared to common conventional single electrode sample probes, including production of structurally significant ions, and the ability to provide a direct means to study electrochemical reactions.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: January 12, 1988
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Lawrence R. Phillips, John E. Bartmess