Granted Patent
Utility
US 4,867,504 · App. 07/162,754
Booster seat
Inventor:
Stanley A. Johnson
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Mar 1, 1988
Inventor
Stanley A. Johnson
Assignee (at issue)
The Vollrath Company, LLC
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.