Granted Patent
Utility
US 6,081,771 · App. 09/149,773
Apparatus checking method and apparatus to which the same is applied
Inventor:
Ryo Urabe
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Sep 8, 1998
Inventor
Ryo Urabe
Assignee (at issue)
NEC 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.