Granted Patent
Utility
US 5,287,574 · App. 08/062,436
Fitted bed sheet or mattress pad with elasticized head and foot panels
Inventors:
Virgil L. Kardell, Janet L. Kardell
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: May 12, 1993
Inventors
Virgil L. Kardell
Janet L. Kardell
Assignee (at issue)
Restful Knights
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.