Granted Patent
Utility
US 6,823,949 · App. 10/213,702
Modular control apparatus for a power impact tool
Inventor:
David A. Giardino
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Aug 6, 2002
Inventor
David A. Giardino
Assignee (at issue)
Chicago Pneumatic Tool Company
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.