Granted Patent
Utility
US 6,216,292 · App. 09/348,140
Protective mattress cover with apron
Inventors:
Timothy Oakhill, Anna Stevenson
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Jul 6, 1999
Inventors
Timothy Oakhill
Anna Stevenson
Assignee (at issue)
Simmons Holding 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.