Granted Patent
Utility
US 5,899,981 · App. 08/773,905
Method and system for processing expense vouchers
Inventors:
Janet Catherine Taylor, Sybil Steele-Henderson, Timothy Riddle
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Dec 27, 1996
Inventors
Janet Catherine Taylor
Sybil Steele-Henderson
Timothy Riddle
Assignee (at issue)
Nortel Networks Limited
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.