Granted Patent
Utility
US 4,295,367 · App. 06/113,622
Speed indicating device
Inventor:
Wayne B. Leslie
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Jan 21, 1980
Inventor
Wayne B. Leslie
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.