Granted Patent
Utility
US 6,452,907 · App. 09/173,380
Method for monitoring unused bins in a discrete multi-toned communication system
Inventor:
Howard E. Levin
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Oct 15, 1998
Inventor
Howard E. Levin
Assignee (at issue)
Motorola, 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.