Granted Patent
Utility
US 5,722,561 · App. 08/614,874
Drink straw can
Inventors:
Scott C. Biondich, Dean J. Wainer, Robert J. Falkenberg
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Mar 13, 1996
Inventors
Scott C. Biondich
Dean J. Wainer
Robert J. Falkenberg
Assignee (at issue)
Aluminum Company of America
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.