Granted Patent
Utility
US 5,880,867 · App. 08/737,978
Infrared backbone communication network having a radio frequency backup channel
Inventor:
Mahany L. Ronald
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Jan 21, 1997
Inventor
Mahany L. Ronald
Assignee (at issue)
INTERMEC IP CORP.
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.