Granted Patent
Utility
US 4,392,178 · App. 06/197,463
Apparatus for the rapid continuous corona poling of polymeric films
Inventor:
Peter F. Radice
Patented Case
View Patent ↗
Granted: Jul 5, 1983
Filed: Oct 16, 1980
Inventor
Peter F. Radice
Assignee (at issue)
Pennwalt Corporation
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.