Granted Patent
Utility
US 4,244,834 · App. 06/045,729
Carpet cleaning and deodorizing compositions
Inventors:
Lawrence L. Schwalley, Richard C. Speak
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Jun 5, 1979
Inventors
Lawrence L. Schwalley
Richard C. Speak
Assignee (at issue)
United States Borax & Chemical 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.