Granted Patent
Utility
US 6,018,740 · App. 08/939,840
Method to make a latin square
Inventor:
Toru Ito
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Sep 29, 1997
Inventor
Toru Ito
Assignee (at issue)
Nico Electronics Co., Ltd.
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.