Granted Patent
Utility
US 4,338,693 · App. 06/113,151
One-piece quilted mattress shield
Inventor:
Joseph Vitale
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Jan 18, 1980
Inventor
Joseph Vitale
Assignee (at issue)
Perfect Fit Industries, Inc.
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.