Granted Patent
Utility
US 4,032,141 · App. 05/665,323
Amusement device
Inventor:
Tomihiro Tanimura
Patented Case
View Patent ↗
Granted: Jun 28, 1977
Filed: Mar 9, 1976
Inventor
Tomihiro Tanimura
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.