Granted Patent
Utility
US 4,538,612 · App. 06/527,095
Skin preparation method and product
Inventor:
Charles T. Patrick, Jr.
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Aug 29, 1983
Inventor
Charles T. Patrick, Jr.
Assignee (at issue)
NDM Co., Ltd.
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.