David A. Perry — 3 Patents at Microsoft

David A. Perry has been granted 3 US patents while listed as an inventor at Microsoft. The first was granted in 2012 and the most recent in June 2014. David A. Perry ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David A. Perry in Lynnwood, WA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8754855	Virtual touchpad	Rick Duncan, Tom Alphin, Chris Devaraj	2014-06-17	$47,794,000
8378989	Interpreting ambiguous inputs on a touch-screen	Richard J. Duncan, Leroy B. Keely, Thomas H. Alphin, III, Chris Devaraj, David A. Matthews +1 more	2013-02-19	$10,297,000
8237665	Interpreting ambiguous inputs on a touch-screen	Richard J. Duncan, Leroy B. Keely, Thomas H. Alphin, III, Chris Devaraj, David A. Matthews +1 more	2012-08-07	$11,434,000

David A. Perry — 3 Patents

Issued Patents All Time

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