Granted Patent
Utility
US 6,317,203 · App. 09/270,656
Narrowband module inspection device
Inventors:
Osamu Wakabayashi, Takanori Nakaike
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Mar 16, 1999
Inventors
Osamu Wakabayashi
Takanori Nakaike
Assignee (at issue)
KOMATSU 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.