Granted Patent
Utility
US 4,241,821 · App. 06/010,881
Container return apparatus
Inventors:
Samuel C. Wu, Stephen A. Holick, Robert A. Bottelsen
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Feb 9, 1979
Inventors
Samuel C. Wu
Stephen A. Holick
Robert A. Bottelsen
Assignee (at issue)
Coors Container Company
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.