Patents by Inventor Fred Frieden

Fred Frieden 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: D242831
    Type: Grant
    Filed: January 22, 1976
    Date of Patent: December 28, 1976
    Assignee: Microdot, Inc.
    Inventor: Fred Frieden