Granted Patent
Utility
US 4,799,916 · App. 07/205,740
Motorless toy vehicle and propelling track
Inventors:
Robert S. McKay, Dennis R. Dahm
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Jun 13, 1988
Inventors
Robert S. McKay
Dennis R. Dahm
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.