Granted Patent
Utility
US 5,350,331 · App. 08/019,066
Construction toy system
Inventor:
Joel I. Glickman
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Feb 18, 1993
Inventor
Joel I. Glickman
Assignee (at issue)
Connector Set Limited Partnership
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.