MS

Michael E. Spencer

AT American Technology: 6 patents #5 of 34Top 15%
Overall (All Time): #868,351 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7729498 Modulator processing for a parametric speaker system James J. Croft, III, Joseph O. Norris 2010-06-01
7224219 Modulator-amplifier 2007-05-29
7224808 Dynamic carrier system for parametric arrays James J. Croft, III 2007-05-29
7162042 Modulator processing for a parametric speaker system James J. Croft, III, Joseph O. Norris 2007-01-09
7109789 Modulator—amplifier 2006-09-19
6584205 Modulator processing for a parametric speaker system James J. Croft, III, Joseph O. Norris 2003-06-24