Granted Patent
Utility
US 6,180,266 · App. 09/353,636
Cutting tool
Inventors:
Hirokuni Amano, Yuji Shimatani, Kiyoshi Nakagawa, Syunichi Asakura
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Jul 15, 1999
Inventors
Hirokuni Amano
Yuji Shimatani
Kiyoshi Nakagawa
Syunichi Asakura
Assignee (at issue)
NACHI-FUJIKOSHI CORP.
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.