Granted Patent
Utility
US 6,048,068 · App. 09/204,684
Wheel rotation marker
Inventor:
Timothy S. Broten
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Dec 3, 1998
Inventor
Timothy S. Broten
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.