Granted Patent
Utility
US 4,444,756 · App. 06/374,342
Iodine containing disinfectants
Inventors:
Hans-Joachim Schlussler, Ferdinand Koch
Patented Case
View Patent ↗
Granted: Apr 24, 1984
Filed: May 3, 1982
Inventors
Hans-Joachim Schlussler
Ferdinand Koch
Assignee (at issue)
HENKEL AG & CO. KGAA
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.