Patents by Inventor Colleen Robertson

Colleen Robertson 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).

  • Publication number: 20150335777
    Abstract: A process challenge device includes a controllable response produced by using a filter material, configured such that a sterilant gas must pass through the filter material to reach the biological indicator (BI). The filter material provides a controllably absorptive barrier, where the absorption of the sterilant is via chemical reaction, through which the sterilant gas must pass to reach the BI.
    Type: Application
    Filed: January 3, 2014
    Publication date: November 26, 2015
    Inventors: Elizabeth Robbins, Evan M. GOULET, Colleen Robertson, David B. Opie, William E. Waters