Granted Patent
Utility
US 4,957,730 · App. 06/942,699
Antimycotic nail varnish
Inventors:
Manfred Bohn, Walter Dittmar, Heinz G. Peil, Eberhard Futterer, Karl Theodor Kraemer
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: Dec 17, 1986
Inventors
Manfred Bohn
Walter Dittmar
Heinz G. Peil
Eberhard Futterer
Karl Theodor Kraemer
Assignee (at issue)
Hoechst GmbH
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.