Granted Patent
Utility
US 5,286,400 · App. 08/038,389
Flowable powder carpet cleaning formulations
Inventors:
Leon E. Paszek, Jeanne Marie Weller
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Mar 29, 1993
Inventors
Leon E. Paszek
Jeanne Marie Weller
Assignee (at issue)
EASTMAN KODAK COMPANY
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.