Granted Patent
Utility
US 6,584,205 · App. 09/384,084
Modulator processing for a parametric speaker system
Inventors:
James J. Croft, III, Michael E. Spencer, Joseph O. Norris
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Aug 26, 1999
Inventors
James J. Croft, III
Michael E. Spencer
Joseph O. Norris
Assignee (at issue)
American Technology Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.