Granted Patent
Utility
US 4,918,839 · App. 07/274,487
Sanitary shoe cover
Inventor:
Bobby C. Brandon
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Nov 22, 1988
Inventor
Bobby C. Brandon
Assignee (at issue)
Teknamed Corporation
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.