Granted Patent
Utility
US 6,479,775 · App. 09/865,214
Flat input device having push switches
Inventors:
Hiroshi Shigetaka, Hidenobu Satoh
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: May 24, 2001
Inventors
Hiroshi Shigetaka
Hidenobu Satoh
Assignee (at issue)
ALPS ELECTRIC 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.