Granted Patent
Utility
US 4,687,982 · App. 06/834,208
Instant reversing circuit
Inventor:
Rasappa Palaniappan
Patented Case
View Patent ↗
Granted: Aug 18, 1987
Filed: Feb 27, 1986
Inventor
Rasappa Palaniappan
Assignee (at issue)
PT Components, 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.