Patents by Inventor Kenneth J. Fredeen

Kenneth J. Fredeen 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).

  • Solid phase micro-extraction (SPME) devices
    Patent number: 9861909
    Abstract: Provided herein are improved solid phase micro-extraction (SPME) devices, systems comprising such devices, and methods of use and manufacture thereof. In particular, SPME devices provided herein are configured to prevent damage (e.g., to the device and/or to a system in which they are employed) incurred, for example, through user error.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: January 9, 2018
    Assignee: Smiths Detections Inc.
    Inventors: David D. Manning, Kenneth C. Schreiber, Kenneth J. Fredeen, George E. Riehm, Greg Weaver, John R. Laverack
  • SOLID PHASE MICRO-EXTRACTION (SPME) DEVICES
    Publication number: 20140311985
    Abstract: Provided herein are improved solid phase micro-extraction (SPME) devices, systems comprising such devices, and methods of use and manufacture thereof. In particular, SPME devices provided herein are configured to prevent damage (e.g., to the device and/or to a system in which they are employed) incurred, for example, through user error.
    Type: Application
    Filed: November 14, 2012
    Publication date: October 23, 2014
    Applicant: Smiths Detections Inc.
    Inventors: David D. Manning, Kenneth C. Schreiber, Kenneth J. Fredeen, George E. Riehm, Greg Weaver, John R. Laverack