Patents by Inventor Douglas Hillman

Douglas Hillman 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).

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    Patent number: D692393
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 29, 2013
    Assignee: Haydon Corporation
    Inventors: Douglas Hillman, Demetrius Pellicier, Patrick Mullen, Adam Woods