Granted Patent
Utility
US 5,889,864 · App. 08/682,991
Data transmission systems
Inventors:
Gregory J. Smith, Colin Helliwell
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jul 16, 1996
Inventors
Gregory J. Smith
Colin Helliwell
Assignee (at issue)
Plessey Semiconductors Ltd
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.