Granted Patent
Utility
US 5,834,939 · App. 08/729,754
Hand-held ignition voltage tester
Inventor:
Surender Makhija
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Oct 7, 1996
Inventor
Surender Makhija
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.