Granted Patent
Utility
US 6,595,730 · App. 09/780,706
Bit for removing damaged screws
Inventor:
Peter J. Bergamo
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Feb 12, 2001
Inventor
Peter J. Bergamo
Assignee (at issue)
Alden Corporation
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.