Granted Patent
Utility
US 5,358,240 · App. 08/058,560
Ball diverter for raised ramp
Inventors:
Patrick Lawlor, John R. Krutsch
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: May 6, 1993
Inventors
Patrick Lawlor
John R. Krutsch
Assignee (at issue)
Williams Electronics Games, Inc.
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.