Granted Patent
Utility
US 5,645,403 · App. 08/601,611
Metal contoured blade with rolled edges at impact surfaces
Inventor:
Gerald I. Bogage
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Feb 14, 1996
Inventor
Gerald I. Bogage
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.