Patents by Inventor Ole E. Gram

Ole E. Gram 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: D551297
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: September 18, 2007
    Inventor: Ole E. Gram