David W. Simmen — 3 Patents at Tektronix

David W. Simmen has been granted 3 US patents while listed as an inventor at Tektronix. The first was granted in 2002 and the most recent in February 2017. David W. Simmen ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David W. Simmen in Portland, OR, US.

Patents per Year

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9568499	High performance LIGA spring interconnect system for probing application	James H. McGrath, Jr., Ira G. Pollock	2017-02-14
9142903	High performance multiport connector system using LIGA springs	James H. McGrath, Jr., Ira G. Pollock	2015-09-22
6459287	Attachable/detachable probing point	Mark W. Nightingale, Phillip D. Applebee, R. Kenneth Price	2002-10-01	$5,168,000