Granted Patent
Utility
US 5,507,488 · App. 08/406,666
Ball diverter for a pinball game
Inventors:
Brian Eddy, Robert C. Friesl
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Mar 20, 1995
Inventors
Brian Eddy
Robert C. Friesl
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.