Granted Patent
Utility
US 6,821,048 · App. 10/122,083
Coupling apparatus for a rotary hand tool
Inventor:
Mark S. Talesky
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Apr 12, 2002
Inventor
Mark S. Talesky
Assignee (at issue)
Credo Technology Group Limited
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.