Granted Patent
Utility
US 5,166,764 · App. 07/730,067
Input protection device
Inventor:
Jonathan Harry Orchard-Webb
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Jul 15, 1991
Inventor
Jonathan Harry Orchard-Webb
Assignee (at issue)
Mitel 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.