Granted Patent
Utility
US 5,755,147 · App. 08/873,192
Circular saw
Inventor:
Ryoichi Tsune
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Jun 11, 1997
Inventor
Ryoichi Tsune
Assignee (at issue)
Tsune Seiki 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.