Granted Patent
Utility
US 4,496,910 · App. 06/384,504
Pre-amplifier having improved sonic performance
Inventor:
James C. Strickland
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Jun 3, 1982
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.