Granted Patent
Utility
US 6,434,862 · App. 09/635,324
Skewed dipper
Inventor:
William J. Hren
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Aug 9, 2000
Inventor
William J. Hren
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.