Granted Patent
Utility
US 6,000,996 · App. 09/014,487
Grinding process monitoring system and grinding process monitoring method
Inventor:
Nariaki Fujiwara
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Jan 28, 1998
Inventor
Nariaki Fujiwara
Assignee (at issue)
DAINIPPON SCREEN MFG. CO., 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.