Granted Patent
Utility
US 4,726,586 · App. 06/699,355
Pool ball return control apparatus
Inventors:
Richard B. Shelton, Bruce Allen
Patented Case
View Patent ↗
Granted: Feb 23, 1988
Filed: Feb 7, 1985
Inventors
Richard B. Shelton
Bruce Allen
Assignee (at issue)
Kidde Recreation Products, 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.