Granted Patent
Utility
US 5,502,858 · App. 08/339,822
Sponge mop head
Inventors:
Mary M. Hoagland, Diana Woehnl Juratovac
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Nov 15, 1994
Inventors
Mary M. Hoagland
Diana Woehnl Juratovac
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.