Granted Patent
Utility
US 4,745,640 · App. 07/042,712
Toilet seat cover
Inventor:
Eric L. Nelson
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Apr 27, 1987
Inventor
Eric L. Nelson
Assignee (at issue)
Nelson Research & Development 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.