Granted Patent
Utility
US 6,178,978 · App. 09/338,411
Children's activity and entertainment enclosure
Inventor:
Frederick Rieber
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Jun 22, 1999
Inventor
Frederick Rieber
Assignee (at issue)
Hedstrom Corporation
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.