Granted Patent
Utility
US 6,595,094 · App. 09/494,124
Working cutting apparatus and method for cutting work
Inventors:
Sadahiko Kondo, Toshiaki Sasaki, Masanori Chikuba, Toshifumi Hiyoke, Sajio Ozaki
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Jan 28, 2000
Inventors
Sadahiko Kondo
Toshiaki Sasaki
Masanori Chikuba
Toshifumi Hiyoke
Sajio Ozaki
Assignee (at issue)
Sumitomo Special Metals Co., Ltd.
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.