Granted Patent
Utility
US 4,582,171 · App. 06/578,363
Special effects drive mechanism for self-propelled toy vehicles
Inventor:
Dennis Jezierski
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Feb 8, 1984
Inventor
Dennis Jezierski
Assignee (at issue)
Kusan, 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.