Granted Patent
Utility
US 5,957,752 · App. 08/861,781
Grinding wheel dressing method and device
Inventor:
Kazumasa Katakura
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: May 22, 1997
Inventor
Kazumasa Katakura
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.