Granted Patent
Utility
US 6,542,613 · App. 09/193,038
Electronic sound generator attachment for children's slides
Inventor:
Frederick Rieber
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Nov 16, 1998
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.