Granted Patent
Utility
US 4,387,804 · App. 06/346,512
Convertible pill cup package
Inventor:
John J. Austin
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: Feb 8, 1982
Inventor
John J. Austin
Assignee (at issue)
Champion International Corporation Limited
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.