Michael Walden — 3 Patents at Simplexity

Michael Walden has been granted 3 US patents while listed as an inventor at Simplexity. The first was granted in 2009 and the most recent in December 2017. Michael Walden ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Michael Walden in Annapolis, MD, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
9852393	Cannabis chain of custody management	—	2017-12-26
8060409	Certification and activation of used phones purchased through an online auction	David Steinberg	2011-11-15
7493105	Certification and activation of used phones on a wireless carrier network	David Steinberg	2009-02-17

Michael Walden — 3 Patents

Issued Patents All Time

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