Granted Patent
Utility
US 5,289,907 · App. 08/008,527
Shift lever interlock system
Inventor:
Greg R. Pattock
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Jan 25, 1993
Inventor
Greg R. Pattock
Assignee (at issue)
Sparton Corporation
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.