Granted Patent
Utility
US 5,311,423 · App. 07/637,854
Schedule management method
Inventor:
Deborah P. Clark
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: Jan 7, 1991
Inventor
Deborah P. Clark
Assignee (at issue)
GTE SERVICE 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.