Granted Patent
Utility
US 6,642,858 · App. 10/134,374
Apparatus for inputting opening and closing parentheses simultaneously by single keystroke and method for the same
Inventor:
Chin Wang
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Apr 30, 2002
Inventor
Chin Wang
Assignee (at issue)
Lite-On Technology 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.