Granted Patent
Utility
US 5,952,287 · App. 08/954,012
Microemulsion composition for cleaning hard surfaces
Inventors:
Stephen F. Gross, Martin J. Barabash, J. Frederick Hessel
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Oct 20, 1997
Inventors
Stephen F. Gross
Martin J. Barabash
J. Frederick Hessel
Assignee (at issue)
Henkel Limited
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.