Granted Patent
Utility
US 5,401,326 · App. 08/099,209
Microemulsion cleansers and their uses
Inventors:
Joseph Mihelic, Lionel B. Luttinger
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Jul 29, 1993
Inventors
Joseph Mihelic
Lionel B. Luttinger
Assignee (at issue)
Drew 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.