Granted Patent
Utility
US 6,137,844 · App. 09/050,601
Digital filter for noise and error removal in transmitted analog signals
Inventor:
Patrick A. Maresca
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Mar 30, 1998
Inventor
Patrick A. Maresca
Assignee (at issue)
Oki Telecom, 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.