Granted Patent
Utility
US 6,531,437 · App. 09/356,291
Shelf stable, aqueous hydrogen peroxide containing carpet cleaning and treatment compositions
Inventors:
Tracy Ann Ryan, Frederic Albert Taraschi
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Jul 16, 1999
Inventors
Tracy Ann Ryan
Frederic Albert Taraschi
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.