Granted Patent
Utility
US 4,579,758 · App. 06/469,325
Internally coated reaction vessel for use in olefinic polymerization
Inventors:
John Dorsch, John D. Smith
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Feb 24, 1983
Inventors
John Dorsch
John D. Smith
Assignee (at issue)
B. F. Goodrich Company
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.