David J. Fairfield — 2 Patents at Unknown

David J. Fairfield has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1993 and the most recent in July 2008. David J. Fairfield ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David J. Fairfield in Colorado Springs, CO, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7394424	Methods and apparatus for implementing a wideband digital beamforming network	Carl O. Jelinek, Keith Smith, Fred Gallagher, Steven L. Kaufman	2008-07-01	$42,545,000
5195064	Sound supplemented clock system	Brian Hegarty	1993-03-16

David J. Fairfield — 2 Patents

Issued Patents All Time

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