Granted Patent
Utility
US 4,583,661 · App. 06/647,980
Moisture-proof container
Inventor:
William M. Clover, Jr.
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Sep 6, 1984
Inventor
William M. Clover, Jr.
Assignee (at issue)
Kirstine/Hendricks
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.