Granted Patent
Utility
US 5,562,081 · App. 08/527,243
Electrically-controlled throttle with variable-ratio drive
Inventor:
Ralph L. Hitchcock
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Sep 12, 1995
Inventor
Ralph L. Hitchcock
Assignee (at issue)
Philips Electronics North America 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.