Home › Inventors › Phillip R. Sprague

Phillip R. Sprague

San Diego, CA: #9,825 of 23,606 inventorsTop 45%

California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,535,456 of 4,157,543Top 40%

3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
8847778	Psychophysiological touch screen stress analyzer	—	2014-09-30
8502691	Psychophysiological touch screen stress analyzer	—	2013-08-06
8264364	Psychophysiological touch screen stress analyzer	—	2012-09-11