Granted Patent
Utility
US 4,536,323 · App. 06/508,643
Non-flammable aerosol propellant microemulsion system
Inventor:
Howard R. Stopper
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Jun 28, 1983
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.