David K. Johnsen — 1 Patent at Key Technology

David K. Johnsen has been granted 1 US patent while listed as an inventor at Key Technology. All of these patents were granted in 2006. David K. Johnsen ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David K. Johnsen in Redmond, OR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7117996	Adjustable object size grader	John Euford Mobley, Scott Benjamin	2006-10-10	$486,000

David K. Johnsen — 1 Patent

Issued Patents All Time

Patent Widget