Patents by Inventor Elwood F. Seasholtz

Elwood F. Seasholtz 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).

  • Programmable solid phase extraction and elution device
    Patent number: 5512168
    Abstract: An automated, integrated system for programmably selectively extracting and purifying one or more particular solutes from a contaminated solution, said purified solutes then being recovered as a concentrated solution suitable for analysis.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 30, 1996
    Assignee: Applied Separations, Inc.
    Inventors: Martin J. Fetner, Elwood F. Seasholtz
  • Programmable solid phase extraction and elution device
    Patent number: 5443734
    Abstract: An automated, integrated system for programmably selectively extracting and purifying one or more particular solutes from a contaminated solution, said purified solutes then being recovered as a concentrated solution suitable for analysis.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: August 22, 1995
    Assignee: Applied Separations, Inc.
    Inventors: Martin J. Fetner, Elwood F. Seasholtz