Granted Patent
Utility
US 6,345,648 · App. 09/688,433
Gripper plug for hand strapping tool
Inventor:
Nelson Cheung
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Oct 16, 2000
Inventor
Nelson Cheung
Assignee (at issue)
ILLINOIS TOOL WORKS INC.
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.