Granted Patent
Utility
US 4,833,743 · App. 07/232,490
Bed safety side rail
Inventors:
William R. Howell, Eric Shuler
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Aug 15, 1988
Inventors
William R. Howell
Eric Shuler
Assignee (at issue)
The Quaker Oats Company
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.