Granted Patent
Utility
US 4,696,983 · App. 06/776,283
Polymerization reactor coatings and use thereof
Inventor:
Louis Cohen
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Sep 16, 1985
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.