Granted Patent
Utility
US 6,259,482 · App. 09/228,631
Digital BTSC compander system
Inventors:
Matthew Easley, Roger R. Darr
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Jan 11, 1999
Inventors
Matthew Easley
Roger R. Darr
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.