Granted Patent
Utility
US 5,280,051 · App. 07/811,078
Composition for the production of artificial marble or granite
Inventors:
Enrico Traverso, Fiorenzo Renzi
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Dec 20, 1991
Inventors
Enrico Traverso
Fiorenzo Renzi
Assignee (at issue)
Enichem Synthesis S.p.A.
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.