Granted Patent
Utility
US 4,256,864 · App. 06/099,357
Polymerization reactors coated with polymer-inhibitor complexes
Inventor:
Louis Cohen
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Dec 3, 1979
Inventor
Louis Cohen
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.