Granted Patent
Utility
US 6,766,402 · App. 09/628,817
computer in which an optional unit is installable
Inventors:
Hiroaki Agata, Takeshi Asano, Hideto Horikoshi, Takehiko Noguchi, Masaki Oie, Kenshin Yonemochi
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Jul 31, 2000
Inventors
Hiroaki Agata
Takeshi Asano
Hideto Horikoshi
Takehiko Noguchi
Masaki Oie
Kenshin Yonemochi
Assignee (at issue)
International Business Machines 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.