Granted Patent
Utility
US 6,813,975 · App. 10/384,950
Device for protecting a user's fingers when operating a flexible extension shaft
Inventor:
Burton Kozak
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Mar 10, 2003
Inventor
Burton Kozak
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.