Granted Patent
Utility
US 4,655,959 · App. 06/749,962
Preparation of non-flammable aerosol propellant microemulsion system
Inventor:
Howard R. Stopper
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Jul 1, 1985
Inventor
Howard R. Stopper
Assignee (at issue)
The Drackett Company
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.