Granted Patent
Utility
US 6,726,080 · App. 10/227,420
Nailing machine
Inventor:
Masao Hamada
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Aug 26, 2002
Inventor
Masao Hamada
Assignee (at issue)
Hitachi Koki 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.