Patents by Inventor Timothy S. Lawruk

Timothy S. Lawruk 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).

  • Immunoassay standards for polyaromatic hydrocarbon detection
    Patent number: 5780250
    Abstract: An immunoassay directed at certain analytes that are polyaromatic hydrocarbons, such that the immunoreactive standard used for assay calibration allows the creation of calibration solutions of superior stability.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: July 14, 1998
    Assignee: Strategic Diagnostics, Inc.
    Inventors: Fernando M. Rubio, Timothy S. Lawruk, Charles E. Lachman
  • Standards for phosphorothioate insecticide immunoassays
    Patent number: 5576187
    Abstract: Improvements in immunoassays for chlorpyrifos and compounds structurally related to chlorpyrifos are achieved by using standards of increased stability.
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: November 19, 1996
    Assignees: Ohmicron Technology, Inc., DowElanco
    Inventors: Fernando M. Rubio, Timothy S. Lawruk