Granted Patent
Utility
US 5,544,419 · App. 08/430,233
Dipstick assembly
Inventor:
Sean G. Smeltzer
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Apr 28, 1995
Inventor
Sean G. Smeltzer
Assignee (at issue)
Westinghouse Air Brake Co.
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.