Granted Patent
Utility
US 4,441,193 · App. 06/374,506
Frequency-encoding circuit for reducing distortion
Inventor:
John L. Bell
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: May 3, 1982
Inventor
John L. Bell
Assignee (at issue)
Burroughs, Inc.
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.