Granted Patent
Utility
US 5,375,449 · App. 08/179,662
Method for forming hollow nutdrivers from tubing
Inventor:
Fred A. Bononi
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Jan 11, 1994
Inventor
Fred A. Bononi
Assignee (at issue)
AT & G Co., Ltd.
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.