Granted Patent
Utility
US 4,438,708 · App. 06/407,787
Complete incineration of waste material
Inventor:
Russell E. Duff
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: Aug 13, 1982
Inventor
Russell E. Duff
Assignee (at issue)
S-Cubed
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.