Granted Patent
Utility
US 6,603,459 · App. 09/814,421
Two-direction input device and operating device using combination of two-direction input device and coordinate input member
Inventors:
Hideto Matsufusa, Akihisa Itoh
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Mar 21, 2001
Inventors
Hideto Matsufusa
Akihisa Itoh
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.