Granted Patent
Utility
US 5,883,709 · App. 08/916,047
Inclination monitoring system including reflection of collimated light
Inventors:
Isao Okuda, Toshiyuki Kase, Hiroshi Nishikawa
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Aug 21, 1997
Inventors
Isao Okuda
Toshiyuki Kase
Hiroshi Nishikawa
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.