Granted Patent
Utility
US 5,486,805 · App. 08/086,085
Method of receiving unsolicited messages on an electrical distribution network communications system
Inventor:
Sioe T. Mak
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jul 6, 1993
Inventor
Sioe T. Mak
Assignee (at issue)
Distribution Control Systems
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.