Granted Patent
Utility
US 5,263,188 · App. 07/745,787
Fade compensated tone control method and apparatus
Inventors:
Eric Sanders, Dale L. Morse
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Aug 16, 1991
Inventors
Eric Sanders
Dale L. Morse
Assignee (at issue)
DELCO ELECTRONICS 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.