Granted Patent
Utility
US 4,378,879 · App. 06/231,703
Crown support beverage carrier
Inventor:
Earl J. Killy
Patented Case
View Patent ↗
Granted: Apr 5, 1983
Filed: Feb 5, 1981
Inventor
Earl J. Killy
Assignee (at issue)
Manville Service Corporation
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.