Granted Patent
Utility
US 5,917,474 · App. 08/792,038
Free pivot-arm key plate
Inventor:
Chi-Ming Wang
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Jan 31, 1997
Inventor
Chi-Ming Wang
Assignee (at issue)
LOGITECH, INC.
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.