Granted Patent
Utility
US 5,182,805 · App. 07/380,842
Method and system for determining copy-on-write condition
Inventor:
Mark Campbell
Patented Case
View Patent ↗
Granted: Jan 26, 1993
Filed: Jul 14, 1989
Inventor
Mark Campbell
Assignee (at issue)
NCR 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.