Rufus Ritchie — 2 Patents at Elo Touchsystems

Rufus Ritchie has been granted 2 US patents while listed as an inventor at Elo Touchsystems. The first was granted in 2003 and the most recent in September 2010. Rufus Ritchie ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Rufus Ritchie in Oak Ridge, TN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7800589	Touch screen with relatively conductive grid	G. Samuel Hurst, Donald W. Bouldin, Robert J. Warmack	2010-09-21	$23,043,000
6650319	Touch screen based topological mapping with resistance framing design	G. Samuel Hurst, Donald W. Bouldin, Robert J. Warmack	2003-11-18

Rufus Ritchie — 2 Patents

Issued Patents All Time

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