Granted Patent
Utility
US 6,763,992 · App. 10/273,167
Driving depth adjusting mechanism for a nailer
Inventor:
Shoichi Hirai
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Oct 18, 2002
Inventor
Shoichi Hirai
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.