Granted Patent
Utility
US 5,888,115 · App. 08/067,405
Interactive funnel amusement device
Inventors:
Stephen P. Shoemaker, Jr., Ken Y. Hata, Norman B. Petermeier
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Apr 28, 1998
Inventors
Stephen P. Shoemaker, Jr.
Ken Y. Hata
Norman B. Petermeier
Assignee (at issue)
RLT Acquisition, 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.