Granted Patent
Utility
US 6,296,553 · App. 09/052,019
Grinding method, surface grinder, workpiece support, mechanism and work rest
Inventors:
Kenichiro Nishi, Mitsuru Nukui, Shirou Murai, Kazuo Nakajima, Toyotaka Wada
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Mar 31, 1998
Inventors
Kenichiro Nishi
Mitsuru Nukui
Shirou Murai
Kazuo Nakajima
Toyotaka Wada
Assignee (at issue)
Nippei Toyama Corporation
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.