Patents by Inventor Ingemar Lifstrom

Ingemar Lifstrom 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: D242839
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: December 28, 1976
    Inventor: Ingemar Lifstrom