Ray E. Freudenberg — 1 Patent at Unknown

Ray E. Freudenberg has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1998. Ray E. Freudenberg ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ray E. Freudenberg in Tucson, AZ, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5835322	Ground fault interrupt circuit apparatus for 400-Hz aircraft electrical systems	Donald E. Smith, John F. Rix, David C. Randolph	1998-11-10

Ray E. Freudenberg — 1 Patent

Issued Patents All Time

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