Granted Patent
Utility
US 6,116,602 · App. 09/229,149
Enhanced four handed variation of chess
Inventor:
Mackie C McLoy
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Jan 12, 1999
Inventor
Mackie C McLoy
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.