Granted Patent
Utility
US 5,406,667 · App. 08/094,820
Refill sponge mop with composite curved wringer plate
Inventors:
Rainer B. Teufel, Paul R. Burger, Mary Holt, Diana Woehnl Juratovac, Thomas J. Ward
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Jul 20, 1993
Inventors
Rainer B. Teufel
Paul R. Burger
Mary Holt
Diana Woehnl Juratovac
Thomas J. Ward
Assignee (at issue)
Vinings 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.