Granted Patent
Utility
US 5,246,663 · App. 07/826,872
Isothiocyanate vapor-generating agent, germ-destroying treatment method using isothiocyanate vapors and apparatus therefor
Inventors:
Chiaki Ohama, Keisuke Kato
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Jan 28, 1992
Inventors
Chiaki Ohama
Keisuke Kato
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.