Granted Patent
Utility
US 4,367,182 · App. 06/283,249
Container with incorporated aerator
Inventor:
Charles M. Kienholz
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Jul 14, 1981
Inventor
Charles M. Kienholz
Assignee (at issue)
American Hospital Supply Corp.
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.