Granted Patent
Utility
US 6,740,268 · App. 09/933,828
Method for cutting honeycomb core
Inventor:
Akira Hirayama
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Aug 22, 2001
Inventor
Akira Hirayama
Assignee (at issue)
HONDA MOTOR 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.