Granted Patent
Utility
US 4,659,573 · App. 06/701,389
Mineral oil substitute for toiletries and cosmetics
Inventors:
Louis B. Frischling, Stephen Greenberg
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Feb 14, 1985
Inventors
Louis B. Frischling
Stephen Greenberg
Assignee (at issue)
LIPO CHEMICALS 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.