Granted Patent
Utility
US 5,370,729 · App. 08/121,773
Food safe composition to facilitate soil removal
Inventors:
Victor Fuk-Pong Man, Steven E. Lentsch
Patented Case
View Patent ↗
Granted: Dec 6, 1994
Filed: Sep 15, 1993
Inventors
Victor Fuk-Pong Man
Steven E. Lentsch
Assignee (at issue)
ECOLAB 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.