Granted Patent
Utility
US 6,460,059 · App. 09/129,490
Visual aid to simplify achieving correct cell interrelations in spreadsheets
Inventor:
Robert W. Wisniewski
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Aug 4, 1998
Inventor
Robert W. Wisniewski
Assignee (at issue)
International Business Machines 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.