Patents by Inventor David R. Hilligoss

David R. Hilligoss 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).

  • Testing rack
    Patent number: D675748
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: February 5, 2013
    Assignees: PerkinElmer Health Services, Inc., CETAC Technologies Inc.
    Inventors: David R. Hilligoss, Jeffrey Scott Johnson