Granted Patent
Utility
US 4,190,283 · App. 05/908,332
Foldable play gym
Inventor:
Raymond W. Boucher
Patented Case
View Patent ↗
Granted: Feb 26, 1980
Filed: May 22, 1978
Inventor
Raymond W. Boucher
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.