Granted Patent
Utility
US 5,289,327 · App. 07/898,512
Hard disk inspection apparatus
Inventor:
Koichi Suda
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Jun 15, 1992
Inventor
Koichi Suda
Assignee (at issue)
Seiko Seiki 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.