Granted Patent
Utility
US 6,672,184 · App. 10/376,295
Crankpin lathe and tool head and work head therefor
Inventors:
Gen Ogawa, Satoru SENDA
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Mar 3, 2003
Inventors
Gen Ogawa
Satoru SENDA
Assignee (at issue)
FUJI MACHINE MFG. 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.