Granted Patent
Utility
US 4,385,239 · App. 06/255,980
Inerting chamber for electron curing of resin coated webs
Inventor:
Alton K. Miller
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Apr 20, 1981
Inventor
Alton K. Miller
Assignee (at issue)
Kennecott Holdings 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.