Processes including germ-destroying step, germicidal products and their preparation method, fumigant and fumigation method, as well as germicidal gas compositions, their preparation method and apparatus therefor

Granted: Jul 25, 1995 Filed: Jun 15, 1993

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.