Granted Patent
Utility
US 5,735,225 · App. 08/537,455
Method for recovering energy from solid waste
Inventors:
Giuseppe Natta, Enrico Calcaterra, Marco Tugnoli
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Oct 2, 1995
Inventors
Giuseppe Natta
Enrico Calcaterra
Marco Tugnoli
Assignee (at issue)
Fertilvita S.r.l.
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.