Granted Patent
Utility
US 4,893,369 · App. 07/196,266
Hand-held utensil for surface cleaning, mopping and the like
Inventor:
Bryan T. Johnson
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: May 20, 1988
Inventor
Bryan T. Johnson
Assignee (at issue)
SPONTEX
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.