Granted Patent
Utility
US 4,324,950 · App. 06/051,735
Amplifier for driving electrostatic loudspeakers
Inventor:
James C. Strickland
Patented Case
View Patent ↗
Granted: Apr 13, 1982
Filed: Jun 25, 1979
Inventor
James C. Strickland
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.