Granted Patent
Utility
US 4,548,318 · App. 06/547,033
3 Cell reclosable dispenser
Inventor:
Daniel J. Boyle
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Oct 31, 1983
Inventor
Daniel J. Boyle
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.