Granted Patent
Utility
US 6,793,887 · App. 09/885,007
Specimen-inspection preprocessing apparatus
Inventor:
Teruaki Itoh
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Jun 21, 2001
Inventor
Teruaki Itoh
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.