Granted Patent
Utility
US 5,330,566 · App. 07/840,422
Capsule coating
Inventor:
Claude T. Copeland
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Feb 24, 1992
Inventor
Claude T. Copeland
Assignee (at issue)
Appleton Papers Inc.
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.