Granted Patent
Utility
US 6,147,675 · App. 08/984,449
Input device for transmitting an input signal to a computer game port
Inventor:
Shu-Ming Liu
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Dec 3, 1997
Inventor
Shu-Ming Liu
Assignee (at issue)
Primax Electronics 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.