Granted Patent
Utility
US 5,861,821 · App. 08/522,306
Keyboard-type input apparatus
Inventors:
Yoshiya Kato, Syunji Kato
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Jan 4, 1996
Inventors
Yoshiya Kato
Syunji Kato
Assignees (at issue)
Misawa Homes Co., Ltd.
Yoshiya Kato
Syunji Kato
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.