Granted Patent
Utility
US 5,250,211 · App. 07/829,357
Cleanser containing TSP, EDTA ethylene glycol butyl ether, and acetone
Inventor:
Gregg Motsenbocker
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Feb 3, 1992
Inventor
Gregg Motsenbocker
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.