Ralph Levy — 5 Patents at Touchfire

Ralph Levy has been granted 5 US patents while listed as an inventor at Touchfire. The first was granted in 1981 and the most recent in April 2016. Ralph Levy ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ralph Levy in Doylestown, PA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
9317202	Keyboard overlay that improves touch typing on small touch screen devices	Bradley S. Melmon, Steven A. Isaac	2016-04-19
8790025	Keyboard overlay for optimal touch typing on a proximity-based touch screen	Steven A. Isaac, Bradley S. Melmon	2014-07-29
8206047	Keyboard overlay for optimal touch typing on a proximity-based touch screen	Steven A. Isaac, Bradley S. Melmon	2012-06-26
5818582	Apparatus and method for phase fluorometry	Salvador Fernandez, Ernest St. Louis, Ernest F. Gulgon, Sean Cobane	1998-10-06
4258435	Manifold multiplexers	John David Rhodes	1981-03-24

Ralph Levy — 5 Patents

Issued Patents All Time

Patent Widget