Patents by Inventor Sandra Hefner

Sandra Hefner 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: D961673
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: August 23, 2022
    Assignee: WIKA Alexander Wiegand SE & Co. KG
    Inventors: Ulrich Demuth, Peter Bretz, Sandra Hefner