Granted Patent
Utility
US 6,213,839 · App. 09/156,190
Toy building set
Inventor:
Niels M. Pedersen
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Sep 17, 1998
Inventor
Niels M. Pedersen
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.