Granted Patent
Utility
US 4,592,934 · App. 06/667,896
Method of preparing and packaging automobile wax
Inventor:
Richard L. Wolstoncroft
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Nov 2, 1984
Inventor
Richard L. Wolstoncroft
Assignee (at issue)
Union Carbide 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.