Granted Patent
Utility
US 5,373,791 · App. 08/070,405
Toy wheel
Inventors:
Erik Bach, Kaj Svejstrup Mikkelsen
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Jun 29, 1993
Inventors
Erik Bach
Kaj Svejstrup Mikkelsen
Assignee (at issue)
Interlego AG
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.