Granted Patent
Utility
US 4,824,385 · App. 07/121,046
Rigid sheath for a spark plug cable and its associated boot
Inventor:
Ronald P. Sturdevan
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Nov 13, 1987
Inventor
Ronald P. Sturdevan
Assignee (at issue)
Prestolite Wire LLC
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.