Granted Patent
Utility
US 6,234,051 · App. 09/589,265
Tightening tool with interchangeable inserts
Inventor:
Luigi Bareggi
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jun 7, 2000
Inventor
Luigi Bareggi
Assignee (at issue)
BLM S.a.s. di L. Bareggi & C.
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.