Granted Patent
Utility
US 5,745,563 · App. 07/840,547
Telephone subscriber line circuit, components and methods
Inventor:
John S. Prentice
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Feb 25, 1992
Inventor
John S. Prentice
Assignee (at issue)
HARRIS 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.